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The Taj Mahal (/ˌtɑːdʒ məˈhɑːl/, more often /ˈtɑːʒ/; from Persian and Arabic, "crown of palaces", pronounced [ˈt̪aːdʒ mɛˈɦɛl]) is a white marble mausoleum located on the southern bank of Yamuna River in the Indian city of Agra. It was commissioned in 1632 by the Mughal emperor Shah Jahan (reigned 1628–1658) to house the tomb of his favorite wife of three, Mumtaz Mahal.
Construction of the mausoleum was essentially completed in 1643 but work continued on other phases of the project for an additional ten years. The Taj Mahal complex is believed to have been completed in its entirety in 1653 at a cost estimated at the time to be around 32 million Indian rupees, which in 2015 would be valued at around 52.8 billion Indian rupees ($827 million US). The construction project employed around 20,000 artisans under the guidance of a board of architects led by Ustad Ahmad Lahauri. The domed marble tomb is part of an integrated complex consisting of gardens and two red-sandstone buildings surrounded by a crenellated wall on three sides.
The Taj Mahal is regarded by many as the best example of Mughal architecture and is widely recognized as "the jewel of Muslim art in India". It is one of the world’s most celebrated structures and a symbol of India’s rich history. Designated a UNESCO World Heritage Site in 1983, the Taj Mahal attracts some 3 million visitors a year.
INSPIRATION
In 1631, Shah Jahan, emperor during the Mughal empire's period of greatest prosperity, was grief-stricken when his favorite of three wives and beloved companion, Mumtaz Mahal, a Persian princess, died during the birth of their 14th child, Gauhara Begum. Construction of the Taj Mahal began in 1632. The court chronicles of Shah Jahan's grief illustrate the love story traditionally held as an inspiration for Taj Mahal. The principal mausoleum was completed in 1643 and the surrounding buildings and garden were finished about five years later.
ARCHITECTURE AND DESIGN
The Taj Mahal incorporates and expands on design traditions of Persian and earlier Mughal architecture. Specific inspiration came from successful Timurid and Mughal buildings including; the Gur-e Amir (the tomb of Timur, progenitor of the Mughal dynasty, in Samarkand), Humayun's Tomb, Itmad-Ud-Daulah's Tomb (sometimes called the Baby Taj), and Shah Jahan's own Jama Masjid in Delhi. While earlier Mughal buildings were primarily constructed of red sandstone, Shah Jahan promoted the use of white marble inlaid with semi-precious stones. Buildings under his patronage reached new levels of refinement.
TOMB
The tomb is the central focus of the entire complex of the Taj Mahal. It is a large, white marble structure standing on a square plinth and consists of a symmetrical building with an iwan (an arch-shaped doorway) topped by a large dome and finial. Like most Mughal tombs, the basic elements are Persian in origin.
The base structure is a large multi-chambered cube with chamfered corners forming an unequal eight-sided structure that is approximately 55 metres on each of the four long sides. Each side of the iwan is framed with a huge pishtaq or vaulted archway with two similarly shaped arched balconies stacked on either side. This motif of stacked pishtaqs is replicated on the chamfered corner areas, making the design completely symmetrical on all sides of the building. Four minarets frame the tomb, one at each corner of the plinth facing the chamfered corners. The main chamber houses the false sarcophagi of Mumtaz Mahal and Shah Jahan; the actual graves are at a lower level.
The most spectacular feature is the marble dome that surmounts the tomb. The dome is nearly 35 metres high which is close in measurement to the length of the base, and accentuated by the cylindrical "drum" it sits on which is approximately 7 metres high. Because of its shape, the dome is often called an onion dome or amrud (guava dome). The top is decorated with a lotus design which also serves to accentuate its height. The shape of the dome is emphasized by four smaller domed chattris (kiosks) placed at its corners, which replicate the onion shape of the main dome. Their columned bases open through the roof of the tomb and provide light to the interior. Tall decorative spires (guldastas) extend from edges of base walls, and provide visual emphasis to the height of the dome. The lotus motif is repeated on both the chattris and guldastas. The dome and chattris are topped by a gilded finial which mixes traditional Persian and Hindustani decorative elements.
The main finial was originally made of gold but was replaced by a copy made of gilded bronze in the early 19th century. This feature provides a clear example of integration of traditional Persian and Hindu decorative elements. The finial is topped by a moon, a typical Islamic motif whose horns point heavenward.
The minarets, which are each more than 40 metres tall, display the designer's penchant for symmetry. They were designed as working minarets - a traditional element of mosques, used by the muezzin to call the Islamic faithful to prayer. Each minaret is effectively divided into three equal parts by two working balconies that ring the tower. At the top of the tower is a final balcony surmounted by a chattri that mirrors the design of those on the tomb. The chattris all share the same decorative elements of a lotus design topped by a gilded finial. The minarets were constructed slightly outside of the plinth so that in the event of collapse, a typical occurrence with many tall constructions of the period, the material from the towers would tend to fall away from the tomb.
EXTERIOR DECORATIONS
The exterior decorations of the Taj Mahal are among the finest in Mughal architecture. As the surface area changes, the decorations are refined proportionally. The decorative elements were created by applying paint, stucco, stone inlays or carvings. In line with the Islamic prohibition against the use of anthropomorphic forms, the decorative elements can be grouped into either calligraphy, abstract forms or vegetative motifs. Throughout the complex are passages from the Qur'an that comprise some of the decorative elements. Recent scholarship suggests that the passages were chosen by Amanat Khan.
The calligraphy on the Great Gate reads "O Soul, thou art at rest. Return to the Lord at peace with Him, and He at peace with you." The calligraphy was created in 1609 by a calligrapher named Abdul Haq. Shah Jahan conferred the title of "Amanat Khan" upon him as a reward for his "dazzling virtuosity". Near the lines from the Qur'an at the base of the interior dome is the inscription, "Written by the insignificant being, Amanat Khan Shirazi." Much of the calligraphy is composed of florid thuluth script made of jasper or black marble inlaid in white marble panels. Higher panels are written in slightly larger script to reduce the skewing effect when viewed from below. The calligraphy found on the marble cenotaphs in the tomb is particularly detailed and delicate.
Abstract forms are used throughout, especially in the plinth, minarets, gateway, mosque, jawab and, to a lesser extent, on the surfaces of the tomb. The domes and vaults of the sandstone buildings are worked with tracery of incised painting to create elaborate geometric forms. Herringbone inlays define the space between many of the adjoining elements. White inlays are used in sandstone buildings, and dark or black inlays on the white marbles. Mortared areas of the marble buildings have been stained or painted in a contrasting color which creates a complex array of geometric patterns. Floors and walkways use contrasting tiles or blocks in tessellation patterns.
On the lower walls of the tomb are white marble dados sculpted with realistic bas relief depictions of flowers and vines. The marble has been polished to emphasise the exquisite detailing of the carvings. The dado frames and archway spandrels have been decorated with pietra dura inlays of highly stylised, almost geometric vines, flowers and fruits. The inlay stones are of yellow marble, jasper and jade, polished and levelled to the surface of the walls.
INTERIOR DECORATION
The interior chamber of the Taj Mahal reaches far beyond traditional decorative elements. The inlay work is not pietra dura, but a lapidary of precious and semiprecious gemstones. The inner chamber is an octagon with the design allowing for entry from each face, although only the door facing the garden to the south is used. The interior walls are about 25 metres high and are topped by a "false" interior dome decorated with a sun motif. Eight pishtaq arches define the space at ground level and, as with the exterior, each lower pishtaq is crowned by a second pishtaq about midway up the wall. The four central upper arches form balconies or viewing areas, and each balcony's exterior window has an intricate screen or jali cut from marble. In addition to the light from the balcony screens, light enters through roof openings covered by chattris at the corners. The octagonal marble screen or jali bordering the cenotaphs is made from eight marble panels carved through with intricate pierce work. The remaining surfaces are inlaid in delicate detail with semi-precious stones forming twining vines, fruits and flowers. Each chamber wall is highly decorated with dado bas-relief, intricate lapidary inlay and refined calligraphy panels which reflect, in miniature detail, the design elements seen throughout the exterior of the complex.
Muslim tradition forbids elaborate decoration of graves. Hence, the bodies of Mumtaz and Shah Jahan were put in a relatively plain crypt beneath the inner chamber with their faces turned right, towards Mecca. Mumtaz Mahal's cenotaph is placed at the precise centre of the inner chamber on a rectangular marble base of 1.5 by 2.5 metres. Both the base and casket are elaborately inlaid with precious and semiprecious gems. Calligraphic inscriptions on the casket identify and praise Mumtaz. On the lid of the casket is a raised rectangular lozenge meant to suggest a writing tablet. Shah Jahan's cenotaph is beside Mumtaz's to the western side, and is the only visible asymmetric element in the entire complex. His cenotaph is bigger than his wife's, but reflects the same elements: a larger casket on a slightly taller base precisely decorated with lapidary and calligraphy that identifies him. On the lid of the casket is a traditional sculpture of a small pen box.
The pen box and writing tablet are traditional Mughal funerary icons decorating the caskets of men and women respectively. The Ninety Nine Names of God are calligraphic inscriptions on the sides of the actual tomb of Mumtaz Mahal. Other inscriptions inside the crypt include, "O Noble, O Magnificent, O Majestic, O Unique, O Eternal, O Glorious... ". The tomb of Shah Jahan bears a calligraphic inscription that reads; "He travelled from this world to the banquet-hall of Eternity on the night of the twenty-sixth of the month of Rajab, in the year 1076 Hijri."
GARDEN
The complex is set around a large 300-metre square charbagh or Mughal garden. The garden uses raised pathways that divide each of the four quarters of the garden into 16 sunken parterres or flowerbeds. Halfway between the tomb and gateway in the center of the garden is a raised marble water tank with a reflecting pool positioned on a north-south axis to reflect the image of the mausoleum. The raised marble water tank is called al Hawd al-Kawthar in reference to the "Tank of Abundance" promised to Muhammad.
Elsewhere, the garden is laid out with avenues of trees and fountains. The charbagh garden, a design inspired by Persian gardens, was introduced to India by Babur, the first Mughal emperor. It symbolises the four flowing rivers of Jannah (Paradise) and reflects the Paradise garden derived from the Persian paridaeza, meaning 'walled garden'. In mystic Islamic texts of the Mughal period, Paradise is described as an ideal garden of abundance with four rivers flowing from a central spring or mountain, separating the garden into north, west, south and east.
Most Mughal charbaghs are rectangular with a tomb or pavilion in the center. The Taj Mahal garden is unusual in that the main element, the tomb, is located at the end of the garden. With the discovery of Mahtab Bagh or "Moonlight Garden" on the other side of the Yamuna, the interpretation of the Archaeological Survey of India is that the Yamuna river itself was incorporated into the garden's design and was meant to be seen as one of the rivers of Paradise. Similarities in layout and architectural features with the Shalimar Gardens suggests both gardens may have been designed by the same architect, Ali Mardan. Early accounts of the garden describe its profusion of vegetation, including abundant roses, daffodils, and fruit trees. As the Mughal Empire declined, the Taj Mahal and its gardens also declined. By the end of the 19th century, the British Empire controlled more than three-fifths of India, and assumed management of the Taj Mahal. They changed the landscaping to their liking which more closely resembled the formal lawns of London.
OUTLYING BUILDINGS
The Taj Mahal complex is bordered on three sides by crenellated red sandstone walls; the side facing the river is open. Outside the walls are several additional mausoleums, including those of Shah Jahan's other wives, and a larger tomb for Mumtaz's favourite servant.
The main gateway (darwaza) is a monumental structure built primarily of marble, and reminiscent of the Mughal architecture of earlier emperors. Its archways mirror the shape of the tomb's archways, and its pishtaq arches incorporate the calligraphy that decorates the tomb. The vaulted ceilings and walls have elaborate geometric designs like those found in the other sandstone buildings in the complex.
At the far end of the complex are two grand red sandstone buildings that mirror each other, and face the sides of the tomb. The backs of the buildings parallel the western and eastern walls. The western building is a mosque and the other is the jawab (answer), thought to have been constructed for architectural balance although it may have been used as a guesthouse. Distinctions between the two buildings include the jawab's lack of a mihrab (a niche in a mosque's wall facing Mecca), and its floors of geometric design whereas the floor of the mosque is laid with outlines of 569 prayer rugs in black marble. The mosque's basic design of a long hall surmounted by three domes is similar to others built by Shah Jahan, particularly the Masjid-i Jahān-Numā, or Jama Masjid, Delhi. The Mughal mosques of this period divide the sanctuary hall into three areas comprising a main sanctuary and slightly smaller sanctuaries on either side. At the Taj Mahal, each sanctuary opens onto an expansive vaulting dome. The outlying buildings were completed in 1643.
CONSTRUCTION
The Taj Mahal is built on a parcel of land to the south of the walled city of Agra. Shah Jahan presented Maharajah Jai Singh with a large palace in the center of Agra in exchange for the land. An area of roughly three acres was excavated, filled with dirt to reduce seepage, and leveled at 50 metres above riverbank. In the tomb area, wells were dug and filled with stone and rubble to form the footings of the tomb. Instead of lashed bamboo, workmen constructed a colossal brick scaffold that mirrored the tomb. The scaffold was so enormous that foremen estimated it would take years to dismantle.
The Taj Mahal was constructed using materials from all over India and Asia. It is believed over 1,000 elephants were used to transport building materials. The translucent white marble was brought from Makrana, Rajasthan, the jasper from Punjab, jade and crystal from China. The turquoise was from Tibet and the Lapis lazuli from Afghanistan, while the sapphire came from Sri Lanka and the carnelian from Arabia. In all, twenty eight types of precious and semi-precious stones were inlaid into the white marble.
According to the legend, Shah Jahan decreed that anyone could keep the bricks taken from the scaffold, and thus it was dismantled by peasants overnight. A fifteen kilometer tamped-earth ramp was built to transport marble and materials to the construction site and teams of twenty or thirty oxen pulled the blocks on specially constructed wagons. An elaborate post-and-beam pulley system was used to raise the blocks into desired position. Water was drawn from the river by a series of purs, an animal-powered rope and bucket mechanism, into a large storage tank and raised to a large distribution tank. It was passed into three subsidiary tanks, from which it was piped to the complex.
The plinth and tomb took roughly 12 years to complete. The remaining parts of the complex took an additional 10 years and were completed in order of minarets, mosque and jawab, and gateway. Since the complex was built in stages, discrepancies exist in completion dates due to differing opinions on "completion". Construction of the mausoleum itself was essentially completed by 1643 while work continued on the outlying buildings. Estimates of the cost of construction vary due to difficulties in estimating costs across time. The total cost has been estimated to be about 32 million Indian rupees, which is around 52.8 billion Indian rupees ($827 million US) based on 2015 values.
LATER DAYS
Abdul Hamid Lahauri in his book Badshahnama refers to Taj Mahal as rauza-i munawwara, meaning the illumined or illustrious tomb. Soon after the Taj Mahal's completion, Shah Jahan was deposed by his son Aurangzeb and put under house arrest at nearby Agra Fort. Upon Shah Jahan's death, Aurangzeb buried him in the mausoleum next to his wife. In the 18th century, the Jat rulers of Bharatpur invaded Agra and attacked the Taj Mahal, the two chandeliers, one of agate and another of silver, which were hung over the main cenotaph, were taken away by them, along with the gold and silver screen. Kanbo, a Mughal historian, said the gold shield which covered the 15-foot high finial at the top of the main dome was also removed during the Jat despoliation.
By the late 19th century, parts of the buildings had fallen into disrepair. During the time of the Indian rebellion of 1857, the Taj Mahal was defaced by British soldiers and government officials, who chiselled out precious stones and lapis lazuli from its walls. At the end of the 19th century, British viceroy Lord Curzon ordered a sweeping restoration project, which was completed in 1908. He also commissioned the large lamp in the interior chamber, modelled after one in a Cairo mosque. During this time the garden was remodelled with British-style lawns that are still in place today.
THREATS
In 1942, the government erected a scaffolding to disguise the building in anticipation of air attacks by the Japanese Air Force. During the India-Pakistan wars of 1965 and 1971, scaffoldings were again erected to mislead bomber pilots.
More recent threats have come from environmental pollution on the banks of Yamuna River including acid rain due to the Mathura Oil Refinery, which was opposed by Supreme Court of India directives. The pollution has been turning the Taj Mahal yellow. To help control the pollution, the Indian government has set up the Taj Trapezium Zone (TTZ), a 10,400-square-kilometre area around the monument where strict emissions standards are in place.
Concerns for the tomb's structural integrity have recently been raised because of a decline in the groundwater level in the Yamuna river basin which is falling at a rate of around 5 feet a year. In 2010, cracks appeared in parts of the tomb, and the minarets which surround the monument were showing signs of tilting, as the wooden foundation of the tomb may be rotting due to lack of water. In 2011 it was reported that some predictions indicated that the tomb could collapse within 5 years.
TOURISM
The Taj Mahal attracts a large number of tourists. UNESCO documented more than 2 million visitors in 2001, which increased to about 3 million in 2015. A two tier pricing system is in place, with a significantly lower entrance fee for Indian citizens and a more expensive one for foreigners. Most tourists visit in the cooler months of October, November and February. Polluting traffic is not allowed near the complex and tourists must either walk from parking lots or catch an electric bus. The Khawasspuras (northern courtyards) are currently being restored for use as a new visitor center.
The small town to the south of the Taj, known as Taj Ganji or Mumtazabad, was originally constructed with caravanserais, bazaars and markets to serve the needs of visitors and workmen. Lists of recommended travel destinations often feature the Taj Mahal, which also appears in several listings of seven wonders of the modern world, including the recently announced New Seven Wonders of the World, a recent poll with 100 million votes.
The grounds are open from 06:00 to 19:00 weekdays, except for Friday when the complex is open for prayers at the mosque between 12:00 and 14:00. The complex is open for night viewing on the day of the full moon and two days before and after, excluding Fridays and the month of Ramadan. For security reasons only five items - water in transparent bottles, small video cameras, still cameras, mobile phones and small ladies' purses - are allowed inside the Taj Mahal.
MYTHS
Ever since its construction, the building has been the source of an admiration transcending culture and geography, and so personal and emotional responses have consistently eclipsed scholastic appraisals of the monument. A longstanding myth holds that Shah Jahan planned a mausoleum to be built in black marble as a Black Taj Mahal across the Yamuna river. The idea originates from fanciful writings of Jean-Baptiste Tavernier, a European traveller who visited Agra in 1665. It was suggested that Shah Jahan was overthrown by his son Aurangzeb before it could be built. Ruins of blackened marble across the river in Moonlight Garden, Mahtab Bagh, seemed to support this legend. However, excavations carried out in the 1990s found that they were discolored white stones that had turned black. A more credible theory for the origins of the black mausoleum was demonstrated in 2006 by archaeologists who reconstructed part of the pool in the Moonlight Garden. A dark reflection of the white mausoleum could clearly be seen, befitting Shah Jahan's obsession with symmetry and the positioning of the pool itself.
No evidence exists for claims that describe, often in horrific detail, the deaths, dismemberments and mutilations which Shah Jahan supposedly inflicted on various architects and craftsmen associated with the tomb. Some stories claim that those involved in construction signed contracts committing themselves to have no part in any similar design. Similar claims are made for many famous buildings. No evidence exists for claims that Lord William Bentinck, governor-general of India in the 1830s, supposedly planned to demolish the Taj Mahal and auction off the marble. Bentinck's biographer John Rosselli says that the story arose from Bentinck's fund-raising sale of discarded marble from Agra Fort.
Another myth suggests that beating the silhouette of the finial will cause water to come forth. To this day, officials find broken bangles surrounding the silhouette.
In 2000, India's Supreme Court dismissed P. N. Oak's petition to declare that a Hindu king built the Taj Mahal. In 2005 a similar petition was dismissed by the Allahabad High Court. This case was brought by Amar Nath Mishra, a social worker and preacher who says that the Taj Mahal was built by the Hindu King Parmar Dev in 1196.
WIKIPEDIA
Another sweetie I need to find a new home for, these were expensive at the time but I've no idea of his actual value in today's market.
"It was fog that produced the compass," wrote author Victor Hugo on the value of adversity.
Only a few trees can be seen, as if they're alone, on such a foggy morning on a small rocky peninsula. This spot can be hiked to from a short path near the Visitor Center of Green River Lake Reservoir. I am photographing this from the dam road.
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Eco Fashion Week April 22, 2013 Three stylists with $500 each made three runway collections from outfits presented by Value Village. Photos by Sean Herd.
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One of the lessons learned in World War II was the value of radar in intercepting aircraft: Chain Home radar used during the Battle of Britain proved invaluable to the Royal Air Force in getting its fighters in the air to fend off Luftwaffe attacks. Ground radar, however, was generally limited to line-of-sight, thus the curvature of the Earth prevented long-range detection.
To put large ground radars aloft required a bigger aircraft, and in June 1949, the US Navy acquired two Lockheed L-749 Constellation airliners, adding an APS-45 height-finder radar above the fuselage and an APS-20 search radar below it. Despite the ungainly appearance of the aircraft, flight performance was not overly handicapped and the experiment was deemed a success. Initially designated PO-1W, the Navy changed the designation to WV-2 in 1952, as production aircraft were based on the larger, longer-ranged L-1049 Super Constellation; though it was officially named Warning Star by Lockheed, its crews used the phonetic alphabet to coin a more long-lasting nickname: Willy Victor. The usefulness of an airborne early warning aircraft was apparent to the USAF as well, and in 1953, it acquired WV-2s diverted from Navy production, designated EC-121D.
The initial purpose of both the WV-2s and EC-121s was to operate the “ocean barrier,” along the coasts of the United States, providing early warning of any Soviet attack from the sea or against Alaska or Hawaii. Typically up to five aircraft from either or both services would be on station at any given time, and EC-121s were forward deployed to Japan and Iceland as well. These aircraft were used extensively during the Cuban Missile Crisis of 1962, tracking Soviet ships approaching the blockade line, as well as monitoring Cuban air activity over the island itself. As satellites began to take over the early warning role, the barrier patrols were discontinued in 1965.
It would be in Vietnam that the AEW concept first proved itself. At the beginning of Operation Rolling Thunder in 1965, there were significant gaps in American radar coverage of North Vietnam, and 7th Air Force requested a detachment of EC-121Ds be deployed to Southeast Asia under Operation Big Eye. Orbiting over Laos, the EC-121s did provide some assistance to USAF strike crews, while US Navy WV-2s did the same over Tonkin Gulf; the first successful EC-121 controlled intercept took place in July 1965 and resulted in the downing of two MiG-17s.
However, as the EC-121 had been designed to detect targets over water, the mountains of North Vietnam provided plenty of hiding places for North Vietnamese MiG fighters, communications between fighters and controllers was poor, and the APS-70 height finder did not have the range from Laos to reach the vital “Pak Six” area over Hanoi, which limited Big Eye EC-121s primarily to raid warning. Moreover, the air conditioning system on the EC-121 had never been designed for a tropical environment, and eight-hour missions in a sweltering hot fuselage were distinctly uncomfortable.
Beginning in April 1967, USAF strike forces began noticing a distinct improvement in the EC-121s’ raid warning and interception coordination, as their callsign shifted to College Eye. Unbeknownst to most of the USAF, the EC-121s had been secretly fitted with QRC-248 sensors that homed in on the Identification Friend/Foe (IFF) signals sent out by North Vietnamese MiGs. College Eye EC-121s still could not give altitude, but they could instantly warn the force when MiGs were taking off and their general direction of attack.
Now with the callsign Disco, EC-121Ts could, in theory, provide instant detection, warning, and coordination for American fighters; Disco was, however, limited by its radar setup, the need to route information through the ground-based Teaball system, and the secretive nature of its equipment. Rarely was Disco able to give real-time warning. When the system worked, however, it was very effective. 25 MiG kills were made with College Eye/Disco assistance, while rescue coordination by EC-121s led to the recovery of 80 downed Americans. Despite 98,000 combat hours, no EC-121s were lost during the Vietnam War to enemy action.
The limitations of the EC-121 and its increasing age (there were no losses over Vietnam, but accidents elsewhere cost both services no less than 31 aircraft) meant that, following the end of American involvement in Vietnam, a more advanced replacement was required: the US Navy had already begun with the introduction of the E-2 Hawkeye, while the USAF began experimenting with the EC-137D, which became the E-3 Sentry. The EC-121 was gradually withdrawn, with the last EC-121T of the USAF leaving Air Force Reserve units in 1979. 232 aircraft were built and 12 survive in museums.
This EC-121T, 52-3417, is the oldest surviving Warning Star left, and has a personal connection to myself and one of my friends. It entered service as an RC-121D, before the designation was switched to an EC-121D and it was upgraded to an EC-121T. It may have served with the 552nd AWCW at McClellan AFB, California and possibly saw service in Vietnam as a College Eye or Disco AWACS. As the EC-121s began to be replaced by the E-3 Sentry, 52-3417 was reassigned to the 915th AWCG (Reserve) at Homestead AFB, Florida. It was retired in 1976, but in 1981, the Helena Vo-Tech (now the University of Montana-Helena College of Technology) obtained 52-3417 as a ground instructional trainer. It would remain at Helena for the next 36 years.
In 2008, the college no longer had a use for 52-3417, as it was long obsolete, and offered it to any museum willing to clean it up and move it. The Evergreen Air Museum in McMinnville, Oregon took up the challenge: not only would they clean it, they would restore 52-3417 to flyable status and ferry it from Montana to Oregon. The museum had nearly completed work on it when Evergreen International, the museum's patron, went bankrupt. Work halted on 52-3417, and it seemed that it was stuck again. Finally, in 2017, the Castle Air Museum acquired the aircraft. It was not flown, however, but rather dismantled and moved by rail. It was reassembled and went on display in 2019.
52-3417 is still showing the effects of being in Montana winters for 36 years: its markings are faded, though they still show the 915th's crest on the tail and "AFRES" on the fuselage. Plans are to restore the aircraft at some point to its former glory, but at least it is now at a museum.
For me, this picture is the culmination of almost a decade trying to get a shot of 52-3417! I saw it many times when Dad and I, or friends, would pass through Helena, but either I never had a camera or I couldn't get a good shot. The last time I made the try was in 2017, but a snowstorm blocked my view, and it was moved to Castle afterwards. Finally, in May 2021, I got this picture. For my friend Nate, who was the driver on the 2021 trip, this was a bit more personal: he had worked on this aircraft during his time at Vo-Tech in the early 1980s.
Collection: Willard Dickerman Straight and Early U.S.-Korea Diplomatic Relations, Cornell University Library
Title: [Transporting ammunition by horse]
Date: ca. 1904
Place: Asia: South Korea; Seoul
Type: Photographs
Description: 'Despite the declaration of neutrality by the Choson Government (Yi dynasty), Japanese troops began landing on Inchon city and marched into the capital, Seoul. They are shown here transporting ammunition through the Independence Gate.' This picture was published in the source below, and may not have been taken by Straight himself. Source: Source: Sajin uiro ponun tongnip undong (Independence Movement Through Pictures), 1996, v. 1, p. 51.
Inscription/Marks: No inscription.
Identifier: 1260.60.09.43.04
Persistent URI: http://hdl.handle.net/1813.001/5xnf
There are no known U.S. copyright restrictions on this image. The digital file is owned by the Cornell University Library which is making it freely available with the request that, when possible, the Library be credited as its source.
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Average Sale Value : $34,162
Lowest Sale Value : $12,650
Highest Sale Value : $62,457
Data based on 16 auction sales
•Average Sale Value : $33,677 (disregarding highest and lowest sale)
Current Year Average : $48,642 (36.36% vs avg. sale value)
Heritage
To pay tribute to the long story of success that began in 1910, one only has to look at the Alfa Romeo Duetto to view the creativeness of Italian coachbuilders and Alfa Romeo styling. With elemental design that continues to impress, after almost a century of elegance sportiness, the perfectly balanced design of Alfa Romeo continues today. Considered to be technological masterpieces from the epic age of the motor, these unforgettable vehicles have captured the imagination of car enthusiasts all over the world. Both the Duetto and Giulietta are considered to be iconic Italian products of the Fifties and Sixties.
The name 'Duetto' was suggested by Mr. Giudobaldo Trionfi of Brescia, during a competition launched by Alfa Romeo in 1966 to find a name for the 1600 Spider. For his suggestion, Trionfi was rewarded the competition prize, the keys to the new Spider by Alfa Romeo president Luraghi. Closely related to the Giulia range, based on a Giulia 105 series chassis, the Spider was launched in 1966.
Pininfarina, an Italian coachbuilder was also responsible for the Duetto's monocoque, or unibody, construction. With relatively new principles of crumple zones incorporated into both the front and rear, the Duetto was a design marvel. A variant of the Alfa Romeo's twin camshaft, 4-cylinder, DOHC engine capable of generating up to 109 horsepower, the Duetto had a power-plant of 1570 cc. When originally launched in Italy, the price of the Duetto was 2,195,000 lire.
Three models of this vehicle were loaded onto the ship 'Raffaello' in May of 1966, in preparation for launch in the U.S. Unfortunately the Duetto was never officially imported into the UK. The 'Duetto' Spider has achieved success that has spanned across the ocean. This popular status was most likely enhanced by the Duetto's appearance in the 1967 American film 'Graduate' starring Dustin Hoffman. A ‘Graduate' version of the Duetto was also produced and available for a limited time in the U.S.
The Duetto was created by G.B. Pininfarina in 1966. A masterpiece as well as an icon, the Duetto was an elegant vehicle that continued in production all the way up to 1994 with very few stylistic and technical changes. Buyers who wanted to be noticed, but without flashy ostentation, the Duetto was vehicle of choice.
Keeping true to the collective global image of Alfa Romeo, the Duetto carried the classic characteristics that made these vehicles legendary. The Duetto also carries the distinction of being the final car the Pininfarina designed, as he died just one month following the Duetto's introduction in March of 1966.
Produced for only two years, the Duetto's rarity is indisputable. The symmetrical front and rear are drawn together with an aerodynamic profile with a dramatic blood trough down the sides. The stylish body showcased bumpers mounted into both the front and rear wings, along with an alluring grille set just beneath the front bumper.Coming very close to being a street-worthy show car, the Duetto's side concavity appeared later in a muted form on the Daytona Ferrari. Slightly ahead of the current market in 1966, the Duetto came with an all-alloy 1600cc engine, five-speed gearbox, twin cams and 4-wheel disc brakes.
Devoid of most creature comforts, the Duetto is basically an ideal minimalist sport car that is usable in all climates. The main drawback of the interior was the straight-arm, bent-knee posture characteristic of most Alfa Spiders, though the interior of the vehicle is roomy and quite comfortable. In fair compensation, the Duetto carries one of the most robust power-trains that Alfa has ever produced.
Achieving close to cult-car status, the Duetto today is a highly sought-after collectible. The Duetto was eventually replaced by the 1750 Spider Veloce, with its more powerful 1779 cc engine powered by 118 horsepower. The North American market received Spica mechanical fuel injection while in Europe the Veloce was fitted with two twin carburetors. Though the vehicle looked basically the same, updates and modifications were made to the suspension, brakes, electrics, wheels and tires.
A total of 6,325 units were produced from 1967 until 1968. Though the Duetto was produced for only 12 months, the impact of its production is undeniably stamped in the history of Alfa Romeo.
One of the all-time greats in the Alfa Romeo line-up, the Duetto has achieved the status of a true Sports Car in the traditional sense. Putting to shame the indistinguishable, fast depreciating Japanese and German efficient marvels, the Duetto had an elegant style and charm of good-breeding.
Unquestionably one of the most beautiful cabriolet designs ever, the Pininfarina-penned roadster the Graduate was intended as a less expensive 'entry-level' Alfa. Introduced in 1985, the Graduate continued in the North American market until 1990. Minus the alloy wheels and the luxury options that the QV and SV had, it shared the same engine and transmission. Standard options included steel wheels, basic vinyl seats, a vinyl top and manual windows.
It's brilliant to see stuff like this still wearing cherished numberplates, this one would not normally stand out to me but I just had to document it. Still, I feel it may be worthwhile taking photos of every single 5 on the roads now, they are slowly but surely thinning out....
This one is a 1989 model, still taxed into next year too.
Eco Fashion Week April 22, 2013 Three stylists with $500 each made three runway collections from outfits presented by Value Village. Photos by Sean Herd.
Watch VCAD videos www.youtube.com/VancouverVCAD
VCAD - Fashion Design Program
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Very Old machine it is one of the effects of the English colonization of Egypt
Are currently in one of the old houses whos owned by one of the very poor Egyptians in a very very poor area.
The most IMPORTANT ISSUE is that no one knows its there and no one knows the value of this ...ARCHEOLOGICAL...MACHINE...
...UNTIL NOW !!!
...IMAGINE THAT ...?!?!?!
IR HDR. IR converted Canon Rebel XTi. AEB +/-2 total of 3 exposures processed with Photomatix. Levels adjusted in PSE.
High Dynamic Range (HDR)
High-dynamic-range imaging (HDRI) is a high dynamic range (HDR) technique used in imaging and photography to reproduce a greater dynamic range of luminosity than is possible with standard digital imaging or photographic techniques. The aim is to present a similar range of luminance to that experienced through the human visual system. The human eye, through adaptation of the iris and other methods, adjusts constantly to adapt to a broad range of luminance present in the environment. The brain continuously interprets this information so that a viewer can see in a wide range of light conditions.
HDR images can represent a greater range of luminance levels than can be achieved using more 'traditional' methods, such as many real-world scenes containing very bright, direct sunlight to extreme shade, or very faint nebulae. This is often achieved by capturing and then combining several different, narrower range, exposures of the same subject matter. Non-HDR cameras take photographs with a limited exposure range, referred to as LDR, resulting in the loss of detail in highlights or shadows.
The two primary types of HDR images are computer renderings and images resulting from merging multiple low-dynamic-range (LDR) or standard-dynamic-range (SDR) photographs. HDR images can also be acquired using special image sensors, such as an oversampled binary image sensor.
Due to the limitations of printing and display contrast, the extended luminosity range of an HDR image has to be compressed to be made visible. The method of rendering an HDR image to a standard monitor or printing device is called tone mapping. This method reduces the overall contrast of an HDR image to facilitate display on devices or printouts with lower dynamic range, and can be applied to produce images with preserved local contrast (or exaggerated for artistic effect).
In photography, dynamic range is measured in exposure value (EV) differences (known as stops). An increase of one EV, or 'one stop', represents a doubling of the amount of light. Conversely, a decrease of one EV represents a halving of the amount of light. Therefore, revealing detail in the darkest of shadows requires high exposures, while preserving detail in very bright situations requires very low exposures. Most cameras cannot provide this range of exposure values within a single exposure, due to their low dynamic range. High-dynamic-range photographs are generally achieved by capturing multiple standard-exposure images, often using exposure bracketing, and then later merging them into a single HDR image, usually within a photo manipulation program). Digital images are often encoded in a camera's raw image format, because 8-bit JPEG encoding does not offer a wide enough range of values to allow fine transitions (and regarding HDR, later introduces undesirable effects due to lossy compression).
Any camera that allows manual exposure control can make images for HDR work, although one equipped with auto exposure bracketing (AEB) is far better suited. Images from film cameras are less suitable as they often must first be digitized, so that they can later be processed using software HDR methods.
In most imaging devices, the degree of exposure to light applied to the active element (be it film or CCD) can be altered in one of two ways: by either increasing/decreasing the size of the aperture or by increasing/decreasing the time of each exposure. Exposure variation in an HDR set is only done by altering the exposure time and not the aperture size; this is because altering the aperture size also affects the depth of field and so the resultant multiple images would be quite different, preventing their final combination into a single HDR image.
An important limitation for HDR photography is that any movement between successive images will impede or prevent success in combining them afterwards. Also, as one must create several images (often three or five and sometimes more) to obtain the desired luminance range, such a full 'set' of images takes extra time. HDR photographers have developed calculation methods and techniques to partially overcome these problems, but the use of a sturdy tripod is, at least, advised.
Some cameras have an auto exposure bracketing (AEB) feature with a far greater dynamic range than others, from the 3 EV of the Canon EOS 40D, to the 18 EV of the Canon EOS-1D Mark II. As the popularity of this imaging method grows, several camera manufactures are now offering built-in HDR features. For example, the Pentax K-7 DSLR has an HDR mode that captures an HDR image and outputs (only) a tone mapped JPEG file. The Canon PowerShot G12, Canon PowerShot S95 and Canon PowerShot S100 offer similar features in a smaller format.. Nikon's approach is called 'Active D-Lighting' which applies exposure compensation and tone mapping to the image as it comes from the sensor, with the accent being on retaing a realistic effect . Some smartphones provide HDR modes, and most mobile platforms have apps that provide HDR picture taking.
Camera characteristics such as gamma curves, sensor resolution, noise, photometric calibration and color calibration affect resulting high-dynamic-range images.
Color film negatives and slides consist of multiple film layers that respond to light differently. As a consequence, transparent originals (especially positive slides) feature a very high dynamic range
Tone mapping
Tone mapping reduces the dynamic range, or contrast ratio, of an entire image while retaining localized contrast. Although it is a distinct operation, tone mapping is often applied to HDRI files by the same software package.
Several software applications are available on the PC, Mac and Linux platforms for producing HDR files and tone mapped images. Notable titles include
Adobe Photoshop
Aurora HDR
Dynamic Photo HDR
HDR Efex Pro
HDR PhotoStudio
Luminance HDR
MagicRaw
Oloneo PhotoEngine
Photomatix Pro
PTGui
Information stored in high-dynamic-range images typically corresponds to the physical values of luminance or radiance that can be observed in the real world. This is different from traditional digital images, which represent colors as they should appear on a monitor or a paper print. Therefore, HDR image formats are often called scene-referred, in contrast to traditional digital images, which are device-referred or output-referred. Furthermore, traditional images are usually encoded for the human visual system (maximizing the visual information stored in the fixed number of bits), which is usually called gamma encoding or gamma correction. The values stored for HDR images are often gamma compressed (power law) or logarithmically encoded, or floating-point linear values, since fixed-point linear encodings are increasingly inefficient over higher dynamic ranges.
HDR images often don't use fixed ranges per color channel—other than traditional images—to represent many more colors over a much wider dynamic range. For that purpose, they don't use integer values to represent the single color channels (e.g., 0-255 in an 8 bit per pixel interval for red, green and blue) but instead use a floating point representation. Common are 16-bit (half precision) or 32-bit floating point numbers to represent HDR pixels. However, when the appropriate transfer function is used, HDR pixels for some applications can be represented with a color depth that has as few as 10–12 bits for luminance and 8 bits for chrominance without introducing any visible quantization artifacts.
History of HDR photography
The idea of using several exposures to adequately reproduce a too-extreme range of luminance was pioneered as early as the 1850s by Gustave Le Gray to render seascapes showing both the sky and the sea. Such rendering was impossible at the time using standard methods, as the luminosity range was too extreme. Le Gray used one negative for the sky, and another one with a longer exposure for the sea, and combined the two into one picture in positive.
Mid 20th century
Manual tone mapping was accomplished by dodging and burning – selectively increasing or decreasing the exposure of regions of the photograph to yield better tonality reproduction. This was effective because the dynamic range of the negative is significantly higher than would be available on the finished positive paper print when that is exposed via the negative in a uniform manner. An excellent example is the photograph Schweitzer at the Lamp by W. Eugene Smith, from his 1954 photo essay A Man of Mercy on Dr. Albert Schweitzer and his humanitarian work in French Equatorial Africa. The image took 5 days to reproduce the tonal range of the scene, which ranges from a bright lamp (relative to the scene) to a dark shadow.
Ansel Adams elevated dodging and burning to an art form. Many of his famous prints were manipulated in the darkroom with these two methods. Adams wrote a comprehensive book on producing prints called The Print, which prominently features dodging and burning, in the context of his Zone System.
With the advent of color photography, tone mapping in the darkroom was no longer possible due to the specific timing needed during the developing process of color film. Photographers looked to film manufacturers to design new film stocks with improved response, or continued to shoot in black and white to use tone mapping methods.
Color film capable of directly recording high-dynamic-range images was developed by Charles Wyckoff and EG&G "in the course of a contract with the Department of the Air Force". This XR film had three emulsion layers, an upper layer having an ASA speed rating of 400, a middle layer with an intermediate rating, and a lower layer with an ASA rating of 0.004. The film was processed in a manner similar to color films, and each layer produced a different color. The dynamic range of this extended range film has been estimated as 1:108. It has been used to photograph nuclear explosions, for astronomical photography, for spectrographic research, and for medical imaging. Wyckoff's detailed pictures of nuclear explosions appeared on the cover of Life magazine in the mid-1950s.
Late 20th century
Georges Cornuéjols and licensees of his patents (Brdi, Hymatom) introduced the principle of HDR video image, in 1986, by interposing a matricial LCD screen in front of the camera's image sensor, increasing the sensors dynamic by five stops. The concept of neighborhood tone mapping was applied to video cameras by a group from the Technion in Israel led by Dr. Oliver Hilsenrath and Prof. Y.Y.Zeevi who filed for a patent on this concept in 1988.
In February and April 1990, Georges Cornuéjols introduced the first real-time HDR camera that combined two images captured by a sensor3435 or simultaneously3637 by two sensors of the camera. This process is known as bracketing used for a video stream.
In 1991, the first commercial video camera was introduced that performed real-time capturing of multiple images with different exposures, and producing an HDR video image, by Hymatom, licensee of Georges Cornuéjols.
Also in 1991, Georges Cornuéjols introduced the HDR+ image principle by non-linear accumulation of images to increase the sensitivity of the camera: for low-light environments, several successive images are accumulated, thus increasing the signal to noise ratio.
In 1993, another commercial medical camera producing an HDR video image, by the Technion.
Modern HDR imaging uses a completely different approach, based on making a high-dynamic-range luminance or light map using only global image operations (across the entire image), and then tone mapping the result. Global HDR was first introduced in 19931 resulting in a mathematical theory of differently exposed pictures of the same subject matter that was published in 1995 by Steve Mann and Rosalind Picard.
On October 28, 1998, Ben Sarao created one of the first nighttime HDR+G (High Dynamic Range + Graphic image)of STS-95 on the launch pad at NASA's Kennedy Space Center. It consisted of four film images of the shuttle at night that were digitally composited with additional digital graphic elements. The image was first exhibited at NASA Headquarters Great Hall, Washington DC in 1999 and then published in Hasselblad Forum, Issue 3 1993, Volume 35 ISSN 0282-5449.
The advent of consumer digital cameras produced a new demand for HDR imaging to improve the light response of digital camera sensors, which had a much smaller dynamic range than film. Steve Mann developed and patented the global-HDR method for producing digital images having extended dynamic range at the MIT Media Laboratory. Mann's method involved a two-step procedure: (1) generate one floating point image array by global-only image operations (operations that affect all pixels identically, without regard to their local neighborhoods); and then (2) convert this image array, using local neighborhood processing (tone-remapping, etc.), into an HDR image. The image array generated by the first step of Mann's process is called a lightspace image, lightspace picture, or radiance map. Another benefit of global-HDR imaging is that it provides access to the intermediate light or radiance map, which has been used for computer vision, and other image processing operations.
21st century
In 2005, Adobe Systems introduced several new features in Photoshop CS2 including Merge to HDR, 32 bit floating point image support, and HDR tone mapping.
On June 30, 2016, Microsoft added support for the digital compositing of HDR images to Windows 10 using the Universal Windows Platform.
HDR sensors
Modern CMOS image sensors can often capture a high dynamic range from a single exposure. The wide dynamic range of the captured image is non-linearly compressed into a smaller dynamic range electronic representation. However, with proper processing, the information from a single exposure can be used to create an HDR image.
Such HDR imaging is used in extreme dynamic range applications like welding or automotive work. Some other cameras designed for use in security applications can automatically provide two or more images for each frame, with changing exposure. For example, a sensor for 30fps video will give out 60fps with the odd frames at a short exposure time and the even frames at a longer exposure time. Some of the sensor may even combine the two images on-chip so that a wider dynamic range without in-pixel compression is directly available to the user for display or processing.
en.wikipedia.org/wiki/High-dynamic-range_imaging
Infrared Photography
In infrared photography, the film or image sensor used is sensitive to infrared light. The part of the spectrum used is referred to as near-infrared to distinguish it from far-infrared, which is the domain of thermal imaging. Wavelengths used for photography range from about 700 nm to about 900 nm. Film is usually sensitive to visible light too, so an infrared-passing filter is used; this lets infrared (IR) light pass through to the camera, but blocks all or most of the visible light spectrum (the filter thus looks black or deep red). ("Infrared filter" may refer either to this type of filter or to one that blocks infrared but passes other wavelengths.)
When these filters are used together with infrared-sensitive film or sensors, "in-camera effects" can be obtained; false-color or black-and-white images with a dreamlike or sometimes lurid appearance known as the "Wood Effect," an effect mainly caused by foliage (such as tree leaves and grass) strongly reflecting in the same way visible light is reflected from snow. There is a small contribution from chlorophyll fluorescence, but this is marginal and is not the real cause of the brightness seen in infrared photographs. The effect is named after the infrared photography pioneer Robert W. Wood, and not after the material wood, which does not strongly reflect infrared.
The other attributes of infrared photographs include very dark skies and penetration of atmospheric haze, caused by reduced Rayleigh scattering and Mie scattering, respectively, compared to visible light. The dark skies, in turn, result in less infrared light in shadows and dark reflections of those skies from water, and clouds will stand out strongly. These wavelengths also penetrate a few millimeters into skin and give a milky look to portraits, although eyes often look black.
Until the early 20th century, infrared photography was not possible because silver halide emulsions are not sensitive to longer wavelengths than that of blue light (and to a lesser extent, green light) without the addition of a dye to act as a color sensitizer. The first infrared photographs (as distinct from spectrographs) to be published appeared in the February 1910 edition of The Century Magazine and in the October 1910 edition of the Royal Photographic Society Journal to illustrate papers by Robert W. Wood, who discovered the unusual effects that now bear his name. The RPS co-ordinated events to celebrate the centenary of this event in 2010. Wood's photographs were taken on experimental film that required very long exposures; thus, most of his work focused on landscapes. A further set of infrared landscapes taken by Wood in Italy in 1911 used plates provided for him by CEK Mees at Wratten & Wainwright. Mees also took a few infrared photographs in Portugal in 1910, which are now in the Kodak archives.
Infrared-sensitive photographic plates were developed in the United States during World War I for spectroscopic analysis, and infrared sensitizing dyes were investigated for improved haze penetration in aerial photography. After 1930, new emulsions from Kodak and other manufacturers became useful to infrared astronomy.
Infrared photography became popular with photography enthusiasts in the 1930s when suitable film was introduced commercially. The Times regularly published landscape and aerial photographs taken by their staff photographers using Ilford infrared film. By 1937 33 kinds of infrared film were available from five manufacturers including Agfa, Kodak and Ilford. Infrared movie film was also available and was used to create day-for-night effects in motion pictures, a notable example being the pseudo-night aerial sequences in the James Cagney/Bette Davis movie The Bride Came COD.
False-color infrared photography became widely practiced with the introduction of Kodak Ektachrome Infrared Aero Film and Ektachrome Infrared EIR. The first version of this, known as Kodacolor Aero-Reversal-Film, was developed by Clark and others at the Kodak for camouflage detection in the 1940s. The film became more widely available in 35mm form in the 1960s but KODAK AEROCHROME III Infrared Film 1443 has been discontinued.
Infrared photography became popular with a number of 1960s recording artists, because of the unusual results; Jimi Hendrix, Donovan, Frank and a slow shutter speed without focus compensation, however wider apertures like f/2.0 can produce sharp photos only if the lens is meticulously refocused to the infrared index mark, and only if this index mark is the correct one for the filter and film in use. However, it should be noted that diffraction effects inside a camera are greater at infrared wavelengths so that stopping down the lens too far may actually reduce sharpness.
Most apochromatic ('APO') lenses do not have an Infrared index mark and do not need to be refocused for the infrared spectrum because they are already optically corrected into the near-infrared spectrum. Catadioptric lenses do not often require this adjustment because their mirror containing elements do not suffer from chromatic aberration and so the overall aberration is comparably less. Catadioptric lenses do, of course, still contain lenses, and these lenses do still have a dispersive property.
Infrared black-and-white films require special development times but development is usually achieved with standard black-and-white film developers and chemicals (like D-76). Kodak HIE film has a polyester film base that is very stable but extremely easy to scratch, therefore special care must be used in the handling of Kodak HIE throughout the development and printing/scanning process to avoid damage to the film. The Kodak HIE film was sensitive to 900 nm.
As of November 2, 2007, "KODAK is preannouncing the discontinuance" of HIE Infrared 35 mm film stating the reasons that, "Demand for these products has been declining significantly in recent years, and it is no longer practical to continue to manufacture given the low volume, the age of the product formulations and the complexity of the processes involved." At the time of this notice, HIE Infrared 135-36 was available at a street price of around $12.00 a roll at US mail order outlets.
Arguably the greatest obstacle to infrared film photography has been the increasing difficulty of obtaining infrared-sensitive film. However, despite the discontinuance of HIE, other newer infrared sensitive emulsions from EFKE, ROLLEI, and ILFORD are still available, but these formulations have differing sensitivity and specifications from the venerable KODAK HIE that has been around for at least two decades. Some of these infrared films are available in 120 and larger formats as well as 35 mm, which adds flexibility to their application. With the discontinuance of Kodak HIE, Efke's IR820 film has become the only IR film on the marketneeds update with good sensitivity beyond 750 nm, the Rollei film does extend beyond 750 nm but IR sensitivity falls off very rapidly.
Color infrared transparency films have three sensitized layers that, because of the way the dyes are coupled to these layers, reproduce infrared as red, red as green, and green as blue. All three layers are sensitive to blue so the film must be used with a yellow filter, since this will block blue light but allow the remaining colors to reach the film. The health of foliage can be determined from the relative strengths of green and infrared light reflected; this shows in color infrared as a shift from red (healthy) towards magenta (unhealthy). Early color infrared films were developed in the older E-4 process, but Kodak later manufactured a color transparency film that could be developed in standard E-6 chemistry, although more accurate results were obtained by developing using the AR-5 process. In general, color infrared does not need to be refocused to the infrared index mark on the lens.
In 2007 Kodak announced that production of the 35 mm version of their color infrared film (Ektachrome Professional Infrared/EIR) would cease as there was insufficient demand. Since 2011, all formats of color infrared film have been discontinued. Specifically, Aerochrome 1443 and SO-734.
There is no currently available digital camera that will produce the same results as Kodak color infrared film although the equivalent images can be produced by taking two exposures, one infrared and the other full-color, and combining in post-production. The color images produced by digital still cameras using infrared-pass filters are not equivalent to those produced on color infrared film. The colors result from varying amounts of infrared passing through the color filters on the photo sites, further amended by the Bayer filtering. While this makes such images unsuitable for the kind of applications for which the film was used, such as remote sensing of plant health, the resulting color tonality has proved popular artistically.
Color digital infrared, as part of full spectrum photography is gaining popularity. The ease of creating a softly colored photo with infrared characteristics has found interest among hobbyists and professionals.
In 2008, Los Angeles photographer, Dean Bennici started cutting and hand rolling Aerochrome color Infrared film. All Aerochrome medium and large format which exists today came directly from his lab. The trend in infrared photography continues to gain momentum with the success of photographer Richard Mosse and multiple users all around the world.
Digital camera sensors are inherently sensitive to infrared light, which would interfere with the normal photography by confusing the autofocus calculations or softening the image (because infrared light is focused differently from visible light), or oversaturating the red channel. Also, some clothing is transparent in the infrared, leading to unintended (at least to the manufacturer) uses of video cameras. Thus, to improve image quality and protect privacy, many digital cameras employ infrared blockers. Depending on the subject matter, infrared photography may not be practical with these cameras because the exposure times become overly long, often in the range of 30 seconds, creating noise and motion blur in the final image. However, for some subject matter the long exposure does not matter or the motion blur effects actually add to the image. Some lenses will also show a 'hot spot' in the centre of the image as their coatings are optimised for visible light and not for IR.
An alternative method of DSLR infrared photography is to remove the infrared blocker in front of the sensor and replace it with a filter that removes visible light. This filter is behind the mirror, so the camera can be used normally - handheld, normal shutter speeds, normal composition through the viewfinder, and focus, all work like a normal camera. Metering works but is not always accurate because of the difference between visible and infrared refraction. When the IR blocker is removed, many lenses which did display a hotspot cease to do so, and become perfectly usable for infrared photography. Additionally, because the red, green and blue micro-filters remain and have transmissions not only in their respective color but also in the infrared, enhanced infrared color may be recorded.
Since the Bayer filters in most digital cameras absorb a significant fraction of the infrared light, these cameras are sometimes not very sensitive as infrared cameras and can sometimes produce false colors in the images. An alternative approach is to use a Foveon X3 sensor, which does not have absorptive filters on it; the Sigma SD10 DSLR has a removable IR blocking filter and dust protector, which can be simply omitted or replaced by a deep red or complete visible light blocking filter. The Sigma SD14 has an IR/UV blocking filter that can be removed/installed without tools. The result is a very sensitive digital IR camera.
While it is common to use a filter that blocks almost all visible light, the wavelength sensitivity of a digital camera without internal infrared blocking is such that a variety of artistic results can be obtained with more conventional filtration. For example, a very dark neutral density filter can be used (such as the Hoya ND400) which passes a very small amount of visible light compared to the near-infrared it allows through. Wider filtration permits an SLR viewfinder to be used and also passes more varied color information to the sensor without necessarily reducing the Wood effect. Wider filtration is however likely to reduce other infrared artefacts such as haze penetration and darkened skies. This technique mirrors the methods used by infrared film photographers where black-and-white infrared film was often used with a deep red filter rather than a visually opaque one.
Another common technique with near-infrared filters is to swap blue and red channels in software (e.g. photoshop) which retains much of the characteristic 'white foliage' while rendering skies a glorious blue.
Several Sony cameras had the so-called Night Shot facility, which physically moves the blocking filter away from the light path, which makes the cameras very sensitive to infrared light. Soon after its development, this facility was 'restricted' by Sony to make it difficult for people to take photos that saw through clothing. To do this the iris is opened fully and exposure duration is limited to long times of more than 1/30 second or so. It is possible to shoot infrared but neutral density filters must be used to reduce the camera's sensitivity and the long exposure times mean that care must be taken to avoid camera-shake artifacts.
Fuji have produced digital cameras for use in forensic criminology and medicine which have no infrared blocking filter. The first camera, designated the S3 PRO UVIR, also had extended ultraviolet sensitivity (digital sensors are usually less sensitive to UV than to IR). Optimum UV sensitivity requires special lenses, but ordinary lenses usually work well for IR. In 2007, FujiFilm introduced a new version of this camera, based on the Nikon D200/ FujiFilm S5 called the IS Pro, also able to take Nikon lenses. Fuji had earlier introduced a non-SLR infrared camera, the IS-1, a modified version of the FujiFilm FinePix S9100. Unlike the S3 PRO UVIR, the IS-1 does not offer UV sensitivity. FujiFilm restricts the sale of these cameras to professional users with their EULA specifically prohibiting "unethical photographic conduct".
Phase One digital camera backs can be ordered in an infrared modified form.
Remote sensing and thermographic cameras are sensitive to longer wavelengths of infrared (see Infrared spectrum#Commonly used sub-division scheme). They may be multispectral and use a variety of technologies which may not resemble common camera or filter designs. Cameras sensitive to longer infrared wavelengths including those used in infrared astronomy often require cooling to reduce thermally induced dark currents in the sensor (see Dark current (physics)). Lower cost uncooled thermographic digital cameras operate in the Long Wave infrared band (see Thermographic camera#Uncooled infrared detectors). These cameras are generally used for building inspection or preventative maintenance but can be used for artistic pursuits as well.
Farmer Anton Roets measures irrigation at Goue Akker Farm, which supplies milk to the Nestlé factory in Mossel Bay, South Africa.
Please be aware... I am no stamp expert. Posted titles here are either what I was told when acquiring these or are from a simple Google search. I make no claim as to them being 100% accurate but I make an effort to be as factual as I am able when posting. There may well be some duplication of type or variety, but I try not to double post any single items. My feeble brain may slip on that from time to time. These are all from my semi worthless collection from over the years. Little to no value exists in most (if not all) of them. They are just a hobby.
Eye autofocus test with the Sony A1 and the Sony 200-600mm F5.6-6.3 lens. No other redeeming value to these shots, other than just to see how well the eye was maintained in focus. I had the camera at the lowest burst speed, and it took about 22 shots in about 20 seconds. All these are full frame images, scaled down for uploading to Flickr (i.e., not crops).
San Francisco Marina at Fort Mason, California
A World Economic Forum‑Water Resources Group meeting in Mongolia, co‑hosted by the Office of the President of Mongolia and the Water Resources Group in June 2011
Grocery Outlet & Jo-Ann Fabrics Hanover, PA. Former Value City Department Store and Amelia's Grocery Outlet.
Ahmad ibn ‘Ali ibn Yusuf al-Buni (Arabic: أحمد البوني) (died 1225) was a well known Sufi and writer on the esoteric value of letters and topics relating to mathematics, sihr (sorcery) and spirituality, but very little is known about him. Al-Buni lived in Egypt and learned from many eminent Sufi masters of his time.[1]
He wrote one of the most famous books of his era, the Shams al-Ma'arif al-Kubra (Sun of the Great Knowledge, Arabic شمس المعارف الكبرى) which is one of the most widely read medieval treatises on talismans, magic squares and occult practices. This work rivals the Picatrix in importance. This book was later banned by orthodox Muslims as heretical, but continues to be read and studied.
Instead of sihr (Sorcery), this kind of magic was called Ilm al-Hikmah (Knowledge of the Wisedom), Ilm al-simiyah (Study of the Divine Names) and Ruhaniyat (Spirituality). Most of the so-called mujarrabât ("time-tested methods") books on sorcery in the Muslim world are simplified excerpts from the Shams al-ma`ârif.[2] The book remains the seminal work on Theurgy and esoteric arts to this day.
In c. 1200, Ahmad al-Buni showed how to construct magic squares using a simple bordering technique, but he may not have discovered the method himself. Al-Buni wrote about Latin squares and constructed, for example, 4 x 4 Latin squares using letters from one of the 99 names of Allah. His works on traditional healing remains a point of reference among Yoruba Muslim healers in Nigeria and other areas of the Muslim world.[3]
Ahmad al-Buni also left a list of other titles that he wrote. Unfortunately, very few of them have survived.
Al-Buni states in his work Manba’ Usul al-Hikmah (Source of the Essentials of Wisdom) that he acquired his knowledge of the esoteric properities of the letters from his personal teacher Abu Abdillah Shams al-Din al-Asfahâni. He in turn received it from Jalal al-Din Abdullah al-Bistami, who in turn received it from Shaykh al-Sarajani, who received it from Qasim al-Sarajani, who received it from Abdullah al-Babani, who received it from Asîl al-Din al-Shirazi, who received it from Abu al-Najîb al-Sahruwardi, who received it from, Mohammad ibn Mohammad Al-Ghazali al-Tusi, who received it from Ahmad al-Aswad, who received it from Hamad al-Dînuri, who received it from the master al-Junayd al-Baghdadi, who received it from Sari al-Din al-Saqati, who received it from Ma’ruf al-Karkhi, who received it from Dawûd al-Jili, who received it from Habîb al-A’ajami, who received it from Imam Hasan al-Basri.
Al-Buni states in the same work that he acquired his knowledge of magical squares from Sirâj al-Dîn al-Hanafi, who acquired it from Shihab al-Dîn al-Muqaddasi, who acquired it from Shams al-Dîn al-Farisi, who acquired it from Shihab al-Dîn al-Hamadani, who acquired it from Qutb al-Dîn al-Diyâ’i, who acquired it from Muhyiddîn Ibn Arabi, who acquired it from Abu al-'Abbas Ahmad ibn al-Turîzi, who acquired it from Abu Abdillah al-Qurashi, who acquired it from Abu Madîn al-Andalusi.
He also states that he acquired additional knowledge about the esoteric art of letters and the magical squares from Mohammad 'Izz al-Dîn ibn Jam’a, who acquired it from Mohammad al-Sirani, who acquired it from Shihab al-Dîn al-Hamadani, who acquired it from Qutb al-Dîn al-Dhiya’i, who acquired it from Muhyiddîn Ibn Arabi.
Al-Buni also states that he acquired his occult knowledge from Abu al-'Abbas Ahmad ibn Maymûn al-Qastalâni, who acquired it from Abu Abdillah Mohammed al-Qurashi, who acquired it from Abu Madîn Shu'ayb ibn Hasan al-Ansari al-Andalusi, who received it from Abu Ayyub ibn Abi Sa'id al-Sanhaji al-Armuzi, who received it from Abi Muhammad ibn Nur, who received it from Abu al-Fadhl Abdullah ibn Bashr, who received it from Abu Bashr al-Hasan al-Jujari, who received it from al-Saqati, who received it from Dawûd al-Tâ’i, who received it from Habîb al-A'jami, who received it from Abu Bakr Muhammad ibn Sîrîn, who received it from Malik ibn Anas.
Al-Buni also made regular mention in his work of Plato, Aristotle, Hermes, Alexander the Great, and obscure Chaldean magicians. In one of his works, he recounted a story of his discovery of a cache of manuscripts buried under the pyramids, that included a work of Hermetic thinkers.
His work is said to have influenced the Hurufis and the New Lettrist International.[4]
Data Value Hub
“How can Artificial Intelligence enable growth for SMEs”? Looking forward to hearing presentation on this topic for local SME's. datavaluehub.com/about-us/
The Škoda Rapid Convertible
(cabriolet) was remarkable value for money when sold in the UK in the Mid-1980s. Converted for Škoda (UK) from standard cars by Ludgate Designs in Kent, the (now rare) convertible was considerably cheaper than other new soft-topped cars on the market. It was a good drive, too. Autocar described the car as "the poor man's Porsche", and they are now sought after vehicles. This - probably the best one surviving - was taking part in this years SALT Rally, and was snapped at the Three Swans Hotel, Market Harborough.
The SALT Rally 2012 (SALT SIX) was held around Market Harborough. The SALT Rallies are for vehicles built in the Cold War period, and the events tour Cold-War related venues. Most of the participating vehicles come from the Soviet Bloc, but there is no political element, implied or actual in the SALT ethos.
Visit the Communist Classic Cars Panorama!
Camera: Nikon F5
Lens: Nikkor 28-80mm zoom
Film: Kodak Ektar 100
Title Slide for Core Value series: The Bible is the Word of God. This is a generic design to be used for all Core Values (just swap out the text under the text "Core Value"). The imagery is of the county in which Life Church Calvert resides and serves (our "core" location").
The text wrapping around the circle or "core" is a list of all our core values. For each series the core value that is being taught would be in the center underneath "Core Value"
Collection: Cornell University Collection of Political Americana, Cornell University Library
Repository: Susan H. Douglas Political Americana Collection, #2214 Rare & Manuscript Collections, Cornell University Library, Cornell University
Title: That "Tidal Wave" - "We are on the Home Stretch!"
Political Party: Democratic
Election Year: 1872
Date Made: 1872
Measurement: Sheet: 15.75 x 22.5 in.; 40.005 x 57.15 cm
Classification: Publications
Persistent URI: http://hdl.handle.net/1813.001/5zpp
There are no known U.S. copyright restrictions on this image. The digital file is owned by the Cornell University Library which is making it freely available with the request that, when possible, the Library be credited as its source.