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Part of a roof prism set for binoculars
This item is surplus to my collection needs. I am making this available for swap or trade. Please let me know if you are interested. See these sets of images for other cameras, lenses and photographic paraphernalia that I am removing as I am sharpening the focus of my camera collection.
Image shot with an Olympus Stylus TG-3.
© Dirk HR Spennemann 2014, All Rights Reserved
Access all my images via the Collections Page
Angled prism in housing, component of a pair of binoculars
This item is surplus to my collection needs. I am making this available for swap or trade. Please let me know if you are interested. See these sets of images for other cameras, lenses and photographic paraphernalia that I am removing as I am sharpening the focus of my camera collection.
Image shot with an Olympus Stylus TG-3.
© Dirk HR Spennemann 2014, All Rights Reserved
Access all my images via the Collections Page
Eye-Piece for binoculars with dioptrics adjustment
Component of a large pair of binoculars
This item is surplus to my collection needs. I am making this available for swap or trade. Please let me know if you are interested. See these sets of images for other cameras, lenses and photographic paraphernalia that I am removing as I am sharpening the focus of my camera collection.
Image shot with an Olympus Stylus TG-3.
© Dirk HR Spennemann 2014, All Rights Reserved
Access all my images via the Collections Page
Angled prism in housing, component of a pair of binoculars
This item is surplus to my collection needs. I am making this available for swap or trade. Please let me know if you are interested. See these sets of images for other cameras, lenses and photographic paraphernalia that I am removing as I am sharpening the focus of my camera collection.
Image shot with an Olympus Stylus TG-3.
© Dirk HR Spennemann 2014, All Rights Reserved
Access all my images via the Collections Page
Componentes do Plenário do Conselho de Arquitetura e Urbanismo do Brasil para o mandato entre 1º de janeiro de 2018 e 31 de dezembro de 2020
Ednezer Rodrigues Flores - RS
(Part two)
The surviving World War Two Defences at Pevensey are all built in and around the Castle, although they can be seen clearly from the outside, there is now no access to their interiors, nothing survives of the other Defences of the Nodal Point. Viewing the Castle from the car park, which lies on the site of the former cattle market, a Machine Gun Emplacement built at the top of the Medieval Keep, and Firing west and
east through distinctive Horizontal Embrasures (a feature of the Castle Defences) can be seen, below it amongst tumbled ruins of the Keep are at least four Embrasures of a Rectangular Defence Post. Close by, three Anti-Tank Blocks blocked an opening here, and a Pillbox (removed post-war) stood by the detached chunk of masonry of a Tower. The east of the Castle was particularly Heavily Defended, and a further Machine Gun Emplacement was positioned at the top of the wall south of the Roman East Gate.
Within the Medieval Inner Bailey, the concrete reinforcement of both the east and north Towers can be seen, and in the exterior face of the north wall close to the East Tower a
Second World War Loophole can be made out. Not far south of the Roman West Gate, a Machine Gun Emplacement with Embrasures firing two ways was constructed amongst umbled masonry. Within the section of fallen Roman north wall, there are two further Machine Gun Emplacements, one is a purpose-built concrete and brick Pillbox disguised with flint facing to look like the Castle ruins. A further Machine Gun Emplacement on the north wall was built high in the Medieval Tower constructed on top of a Roman Bastion.
The landscape of the Defence Area is substantially the same as that which prevailed eighty years ago, although there have been substantial housing developments in Westham to the west. A large roundabout to the east of Pevensey Castle now controls the intersection of the A259 and A27 roads, and, just south of this, the Salt Haven waterway that runs past Pevensey Halt now occupies a different channel from the one that existed during the Wartime Period.
The cattle market to the east of Pevensey Castle has been removed, although its brick
flooring still forms the surface of the car park now occupying its site. Pevensey Castle itself
is in the care of English Heritage, and paid admission is required to see the Medieval
buildings of the Inner Bailey. The Outer Bailey, however, occupying most of the enclosure of the Roman Fort, around which are many of the Second World War Defences, has a right of way running through it and is open to the public at all times.
Pevensey Castle is a very important site in the context of its Second World War Anti-Invasion Defences as it contains several excellent examples of Machine Gun Emplacements incorporated into the masonry of an earlier Fortified Structure. It represents, in fact, probably the finest example of a historic building adapted for mid-twentieth century Defences, and it was both sensitive and imaginative that a decision was made after the War to preserve many of these Defences as part of the overall history of the Roman and Medieval Castle. Visitors can thereby see the Second World War as but the latest period in a continuous history of Defence at this location. A comparable site is Mont Orgueil Castle in Jersey where Defence additions and alterations made under the German Occupation have also been left largely in place.
The Castle Custodian tells of the considerable interest by the visiting public in the World War Two history of the site, and it would seem, therefore, to be important to present further information on the 1940's Defence Structures by means of information boards and possibly an expansion of the relevant section of the current guidebook. Consideration might also be given to opening up one or two of the Defence so that they can be examined internally.
Recommendations :-
▪︎That the surviving Anti-Invasion Defences at Pevensey Castle be considered of national importance. They enable the Defence of this important locality within the overall Pevensey Fortress to be interpreted, and provide evidence of the articulation of the Defence and the inter-relationship of its functionally different components. Such interpretation is assisted by the documentary evidence provided in this report of Defence Structures that were built as part of the overall strategy, but which have now been removed.
▪︎That consideration be given to opening up a number of the Defences so that they can be seen internally by the public.
▪︎That consideration be given to providing more public information on World War Two Defence of the Castle, possibly by an information board or baddition to existing literature. A 'Pillbox Walk' taking in the various Defence Works could also be drawn up.
▪︎Castle Heightc :- 31 ft (outer walls)
▪︎Controlled by :- English Heritage
▪︎Condition :- Ruin Site
▪︎Built :- c. 290 AD Built by Carausius ?
▪︎In use :- c. 290–471/491, 1066–mid-16th century, 1940–1945
▪︎Materials :-Wood, cement, flint, chalk, ironstone, greensand and sandstone
▪︎Battles/wars :-
Massacre of 491
First Siege of Pevensey (1088)
Second Siege of Pevensey (1147)
hird Siege of Pevensey (1264–65)
Fourth Siege of Pevensey (1399)
Second World War (1939–1945)
Built by Romans (c. 290)
Reoccupied by Normans (1066)
Slighted (c. 1216)
Abandoned (16th century)
State ownership (1925)
Reoccupied by Allies (1940 to 1945).
In today's rapidly evolving technological landscape, it's easy to forget the impact of older electronic components on our modern world. However, there are still many industries and businesses that rely on legacy technology to power their operations. That's where GreenTree Electronics comes in.
As a distributor of obsolete electronic components, GreenTree Electronics specializes in providing businesses with the hard-to-find parts they need to keep their legacy systems running. Whether it's a vintage piece of machinery or other obsolete electronic components, GreenTree Electronics is dedicated to ensuring that these products continue to function for years to come.
But why is it so important to preserve legacy technology in the first place? For one, many of these older systems are still perfectly functional and can provide significant cost savings for businesses that don't need the latest and greatest technology. Additionally, legacy technology often has a unique charm and character that can't be replicated by modern devices.
As suppliers of obsolete electronic components, the team understands the importance of these older systems and is committed to providing quality service and support to help businesses maintain and repair their legacy technology. With a vast inventory of obsolete electrical components and a team of knowledgeable experts, GreenTree Electronics is the go-to source for businesses looking to keep their older systems up and running.
But GreenTree Electronics is more than just an obsolete electronic components distributor. They're also dedicated to promoting sustainability by reducing electronic waste. By providing businesses with the components they need to repair and maintain their older systems, GreenTree Electronics is helping to reduce the amount of electronic waste that ends up in landfills.
In conclusion, GreenTree Electronics is a crucial player in the preservation of legacy technology. By providing businesses with the hard-to-find parts they need to keep their older systems running, GreenTree Electronics is helping to ensure that these systems continue to function for years to come. And by promoting sustainability through the reduction of electronic waste, GreenTree Electronics is doing their part to create a better world for future generations.
Top left from Simon Phone # 0721430149
Disks, Cones. Bottom chain also from Simon.
Middle from Sammy in Makina Market:
End Caps, Round End Caps, Cones in German Silver (Nickel) and Brass. He can do "shiny" or "antiqued" finishes.
Top Right disks from Jacaranda Workshops. Available in multiple sizes.
Angled prism in housing, component of a pair of binoculars
This item is surplus to my collection needs. I am making this available for swap or trade. Please let me know if you are interested. See these sets of images for other cameras, lenses and photographic paraphernalia that I am removing as I am sharpening the focus of my camera collection.
Image shot with an Olympus Stylus TG-3.
© Dirk HR Spennemann 2014, All Rights Reserved
Access all my images via the Collections Page
Nearing completion.
The main components assembled, this time with the skin and tail piece fitted.
The white areas on the skin are talcum powder that wasn't completely removed during the soaking process.
The skin has been stained brown using instant coffee granules.
Members of the Component 10 Executive were in the East Kootenays visiting members at worksites in Cranbrook, Fernie and Sparwood. Also in the Kootenays was the new BCGEU RV.
Nearing completion.
The main components assembled, this time with the skin and tail piece fitted.
The white areas on the skin are talcum powder that wasn't completely removed during the soaking process.
The skin has been stained brown using instant coffee granules.
Little electric people looking for their way
6. Every Little Thing (1964) - (tag as msh0415 and msh0415-6)
Kamphang Phet, Thailand.
Town beauties prepare to perform Rham Kome. the flame dance, and important component of Siamese Thanksgiving.
From 31 July to 2 August 2018, several Heads of UN missions Police chiefs meet in Addis Ababa at the 3rd Heads of Police Components Retreat. Their counterparts from African Union missions and hybrid AU-UN missions as well from the Federal Police Commission of Ethiopia are also attending the retreat. The main objective is to utilize this retreat as a platform for sharing and exchanging ideas/best practices within a regional context. Two other preceding similar retreats were held in Entebbe and Kigali.
Date: Nov 13 2020 | By:LC Rapid
Tag:Sheet Metal Fabrication,
1. Development of aerospace sheet metal fabrication (ASMF)
Among the aerospace equipment, sheet metal components are accounted for over 20% out of the total number of manufacturing workload. In contrast, high-strength aluminium, magnesium, titanium and other lightweight alloys of sheet metal components are prone to wrinkling and cracking during formation due to their low plasticity. This issue has always been plaguing the aerospace industry and hindering the light-weighting and integral development.
In particular, the manufacture of alley-complex-shaped thin-walled sheet metal components made of aluminium, magnesium, titanium with the boss, reinforcing ribs and small rounded corners has become an important issue to improve the skill level of aircraft aerospace sheet metal fabrication industry.
2. The formation of new technologies in aerospace sheet metal fabrication
In the process of ASMF operations, the correct and scientific selection of ASMF technologies can ensure the quality of the product processing, in addition to effectively regulate and guide the aerospace sheet metal fabrication working process. This is the reason that it is necessary to carry out a compelling and in-depth study of the product processing to ensure that the ASMF technology can meet the needs of sheet metal processing.
The combination of fluid-filled deep-draw forming technology and high-speed impact forming technology resulted in a new impact hydroforming technology, and a sheet impact hydraulic forming limit tester was designed from this. Through extensive experiments, it has been proven that this technology and device are also suitable for the formation of aluminium alloys, aluminium-lithium alloys, magnesium alloys, titanium alloys and other materials.
3. The role of the new technology of aerospace sheet metal fabrication
The impacting hydroforming technology enables the formation of complex thin-walled buccal-frame components in ASMF, and the world's first production-ready impacting hydroforming device has been successfully developed based on this new principle.
This technology can change the traditional aluminium alloy sheet forming process of more than eight times of manual-assisted manufacturing process to two times of automatic production process, without intermediate process heat treatment, which can increase the production efficiency by four times, and is expected to promote and enhance the development level of aerospace sheet metal manufacture industry. Previously, the drop–weight forming technology of the Soviet Union had been inherited, which required a combination of mould pressing and manual operation, but the formed parts had defects such as scratches on the surface, low yield and poor precision and consistency.
www.lcrapid.com/impact-hydroforming-technology-no-more-ma...
Focussing lens of a large pair of binoculars
This item is surplus to my collection needs. I am making this available for swap or trade. Please let me know if you are interested. See these sets of images for other cameras, lenses and photographic paraphernalia that I am removing as I am sharpening the focus of my camera collection.
Image shot with an Olympus Stylus TG-3.
© Dirk HR Spennemann 2014, All Rights Reserved
Access all my images via the Collections Page