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Guns are scary, but, fortunately, they are merely machines. They can be disassembled, inspected, analyzed, tested... and understood. Understanding how something works usually makes them seem less scary.
So this is how it works:
1. When a round is fired, expanding gases from burning propellant travels behind the bullet, and some of it leaks into the gas port towards the end of the barrel
2. Gases enter the gas cylinder, and push back on the piston end of the operating rod
3. As the operating rod is pushed back by gases in the gas cylinder, it pushes the bolt back, which extracts the spent cartridge
4. When the oprod recedes, the operating rod spring, which is inside the operating rod, is compressed and exerts pressure in two directions. On the one end, it pushes against the follower rod, and on the other, it pushes against the operating rod, trying to move it back forward.
5. When the bolt moves further back, it begins to push back on the hammer. When the hammer recedes far enough, it is latched in place by the trigger
6. When the bolt is all the way back, the next bullet is pushed up by the follower (which in turn is pushed by the follower arm, then the follower rod, which as we saw in 4, is pushed by the operating rod spring).
7. The operating rod spring begins to push the operating rod forward. The bolt is pushed forward with it, and pushes the next round into the chamber
8. When the trigger is released, the hammer is pushed forward by a spring, strikes the firing pin in the bolt, which hits the primer in the base of the chambered cartridge. The propellant ignites, pushes the bullet down the barrel, and brings us back to step 1.
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Slipknot played "Gently" both nights of the Knotfest- they had this crazy machine that shot out soap flakes that looked like snow- it was a killer effect that suited the song pretty perfectly. After the show however, the floor was flooded with soapy water- it looked like a dish machine had exploded. Apparently it's a bitch for guitar players as well- imagine shredding with your rig coated in soap. F that. I'm glad I just sing, like my friend Mr. Taylor here.
Geheimschreiber
Although the ENIGMA remains the best know German cryptographic machine of World War II, in the early 1940's the German military introduced several new cryptographic teletypewriters known under the name Geheimschreiber - sometimes translated as "private secretary", sometimes as "secret writer".
These machines offered on-line encryption and decryption, that is plain test could be typed directly into the machine, automatically converted to encrypted text, and sent directly to the transmitter. In addtion to security, these "secret writers" provided the Germans with the ability to encrypt large volumes of test at high speed.
Learning that the Germans had named an early version of these machines SWORDFISH, the British and Americans bestowed nicknames associated with fish on the machines and the communications links in which they were used. The two most famous are TUNNY and STURGEON.
Just as they developed the Bombe to assist decryption of ENIGMA , the British developed data processing to attack the fish family of machine ciphers. (I must add: This was a whale of a job!) This led to the construction of the COLOSSUS which British historian F. H. Hinsley is "justly claimed as a pioneer programmable electronic digital computer."
The 40 (SZ40) when first encountered in 1940 was nicknamed TUNNY by the British - after a fish better known to Americans as TUNA.
The Schlüsselzusatz SZ40, manufactured by the German firm Lorenz, was used by the German Army for high-level communications, generally between Army groups. It provided on-line encryption and decryption and was capable of handling large volumes f traffic at high speed. The TUNNY depended on wheels for encryption and decryption but unlike ENIGMA it did nut substitute letters but insted encrypted elements of the electrically generated Baudot code used in normal telegraphic transmissions.
Source: National Cryptologic Museum 13 February 2009 with some hyperlinks added
i09_0214 088
Sewing machine cover, made using 'Beyond Measure' pattern by Bloom. Main fabric is Mikko by Surface Art, along with fabric by Saffron Craig and Kona solids (tomato, snow) and grey homespun.
theelvengarden.blogspot.com/2011/10/funky-ing-up-my-sewin...
Paragon Machine Works in Richmond, CA specializes in custom bicycle part manufacturing.
bradwenner.com/new/paragon-machine/
Strobist: bare head right, indirect window light from left
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Roland CNC Machine
it wasn't working right so we openned it up to have a go at fixing it and it turned out to only need some dust cleared out from one of the supports. Now it has been milling for the last 24 hours.
At Pevensey Castle
Pevensey Castle: a Saxon Shore fort, Norman defences, a medieval enclosure castle, and later associated remains
The monument includes Anderita Saxon Shore fort, traces of later, Norman defences, an enclosure castle, a 16th century gun emplacement and World War II defences situated on a low spur of sand and clay which now lies around 2km north west of the present East Sussex coastline at Pevensey. During the Roman and medieval periods the spur formed a peninsula projecting into a tidal lagoon and marshland, but coastal deposition and land reclamation have gradually built up the ground around it so that it is now completely land-locked. The roughly oval, north east-south west aligned Roman fort is the earliest of the structures which make up the monument and has been dated to the first half of the fourth century AD. Covering almost 4ha, the fort survives in the form of substantial ruins and buried remains. It is enclosed by a massive defensive wall with a flint and sandstone rubble core faced by coursed greensand and ironstone blocks, interspersed with red tile bonding courses. The whole is up to 3.7m thick and survives to a height of up to 8.1m. The wall was originally topped by a wall walk and parapet. Part excavation in 1906-8 showed that the wall was constructed on footings of rammed chalk and flints underpinned by oak piles and held together by a framework of wooden beams. Investigation of the internal face indicated that this was stepped upwards from a wide base so as to provide extra strength and support. Despite these precautions, a landslip on the south eastern side of the fort has resulted in the destruction of a c.180m length of the perimeter walls and, although fragments of the fallen masonry do survive, most have been removed over the years. Smaller sections of wall have also collapsed along the north western and eastern stretches. The defensive strength provided by the perimeter wall was enhanced by irregularly-spaced, externally projecting semicircular bastions with diameters of around 5m. There were originally at least 15 of these, of which 10 survive today. The fort was entered from its south western, landward approach by way of the main gateway. In front of this a protective ditch 5.5m wide was dug, and, although this became infilled over the years, a 40m stretch located towards its south eastern end has been recut and exposed. The ditch would have been spanned originally by a wooden bridge, although this no longer survives. The main gateway takes the form of a rectangular gatehouse set back between two solid semicircular bastions 8m apart. The 2.7m wide, originally arched entrance is flanked by two oblong guardrooms and the whole gateway structure projects beyond the inner face of the perimeter wall into the fort and is thought to have been originally two or even three storeys high. On the eastern side of the fort is a more simply designed subsidiary gateway, originally a 3m wide archway entrance, giving access to part of the adjacent Roman harbour, now overlain by Pevensey village. The extant archway is a modern reconstruction of the Norman rebuilding of the original entrance. Traces of a wooden causeway which led from it into the fort have been found during partial excavation. Midway along the north western stretch of perimeter wall is a now ruined postern c.2m wide, approached by a curved passage set within the wall. Part excavation between 1906-1908 indicated that the internal buildings which housed the garrison of up to 1,000 men, along with their livestock and supplies, were constructed of timber infilled with wattle and daub. A c.1m sq timber-lined Roman well was found in the south western sector of the fort, at the bottom of which were the remains of the wooden bucket with rope still attached. The well was found to have been filled with rubbish in Roman times and the presence of the bones of cattle, sheep, red deer, wild boar, wild birds, domestic dogs and cats, along with sea shells, gives some indication of the diet and lifestyle of the fort's original inhabitants. Anderita is thought to have been abandoned by its garrison by the latter half of the 4th century AD, and although little is known of its subsequent history until the 11th century, the Anglo-Saxon Chronicle records a massacre of Britons by the invading Saxons at the fort in AD 491. The Bayeux Tapestry states that William the Conquerer landed at Pevensey in 1066, and the Norman army are believed to have made use of the Roman fort as one of their first armed camps. The defences at Pevensey and the surrounding land were granted to King William's half-brother Robert, Count of Mortain. The medieval defences then went through at least 300 years of development, culminating in the construction of a stone built enclosure castle within the largely intact walls of the earlier Roman fort. It is thought that the first Norman defences took the form of a wooden palisade surrounded by a bank and ditch, and a c.40m length of partially infilled ditch up to 9m wide which survives across the north eastern sector of the earlier fort may indicate their original extent. Limited excavations in 1993-94 showed that the ground surface in the south eastern sector of the fort, in the vicinity of the later stone-built keep, was artificially raised some time before 1200, suggesting that a motte may also have been constructed. The original Roman gateways were rebuilt and a new ditch dug in front of the south western gate. Most of the Norman defences and interior wooden buildings will now survive in buried form beneath the later medieval castle, although herringbone-pattern repairs to the Roman masonry, by then serving as the outer bailey of the medieval defences, also date from this time. Around 1100 the defences were strengthened and the accommodation improved by the addition of a masonry keep in the south eastern sector of the earlier fort. The subject of a complex history of alteration, collapse and repair, the keep utilises part of the earlier, Roman perimeter wall and bastions. It takes the form of a rectangular block measuring c.16.8m by c.9m internally, reinforced by apsidal projections on all sides. Now surviving in ruined form up to first floor level, the keep originally took the form of a tall tower with an entrance on the first floor. A rectangular building measuring 7.6m by 6m was later constructed in the south eastern angle between the keep and the Roman wall. At around 1200 work began on the construction of a smaller, stone-built inner bailey in the south eastern sector of the earlier fort. An L-shaped ditch around 20m wide was dug to define the new enclosure, and this retains water in its northern arm. The material excavated from the ditch and from the destruction of the earlier bank was spread over much of the outer bailey to a depth of up to 1.5m. The ditch was recut during extensive renovations carried out during the early 20th century. The first structure to be built in this phase was the gatehouse to the south west which has an arched entrance between twin, semicircular external towers, now ruined. The basement chambers beneath each tower have ashlar-faced walls and barrel-vaulted ceilings, the southern chamber being entered by way of a newel staircase, the northern by a trapdoor. Both were used to house prisoners. Many subsequent alterations included the replacement, during the 15th century, of the wooden bridge over the outer ditch by a stone causeway. The originally embattled curtain wall enclosing the inner bailey was built within the ditch and inner berm around 1250. This survives almost to its full original height and is faced with coursed Greensand ashlar. Three semicircular external towers provided flanking cover from the narrow embrasures which pierce their walls. Each has a narrow staircase to a basement, a branch staircase off it into the ditch and a room and garderobe, or latrine, at ground floor level. Upper rooms were entered by way of the wall walk and were heated by fireplaces. The basement of the northernmost tower has two rib-vaulted bays, the keeled ribs resting on stiff-leaf corbels. The interior castle buildings continued to be built mainly of wood and these will survive in buried form, although the stone foundations of a chapel were exposed during partial excavation of the northern sector of the inner bailey. Around 20m south east of the chapel is a large stone-lined well at least 15.5m deep, and near this is a pile of medieval stone missile-balls, a selection of those recovered from the ditch. These were thrown from trebuchets during the four sieges of the castle. William, Count of Mortain forfeited Pevensey after an unsuccessful rebellion against Henry I in 1101 and the castle, which remained in the royal gift until the later Middle Ages, passed into the hands of the de Aquila family. The most famous siege took place in 1264-65 when the supporters of Henry III, fleeing from their defeat by the Barons at Lewes, took refuge in the castle. In 1372 the castle was given to John of Gaunt, and during his period of office was used to imprison James I, King of Scotland, who had been seized in 1406, and Joan, Queen of Navarre, accused of witchcraft by her stepson, Henry V. By 1300, the sea had gradually begun to recede from around the castle and its military importance declined as a result. Contemporary records show that the castle walls were constantly in need of expensive repair and by the end of the 14th century were not being properly maintained, although the roof leads were kept intact until the middle of the 15th century. By 1500 the castle had ceased to be inhabited and fell rapidly into decay. The threat of the Spanish Armada led to some renewed interest in the defensive value of the site, and a survey of 1587 records that the castle housed two demi-culverins, or heavy guns. These were sited on the contemporary, south east orientated, M-shaped earthen gun emplacement situated in the outer bailey around 90m north east of the main Roman gateway. This takes the form of a raised level platform c.20m long bounded on the seaward side by a slight bank c.0.4m high and around 3m wide. One of the cast iron guns, manufactured in the East Sussex Weald, is now housed within the inner bailey on a modern replica carriage. From the 17th century the castle passed through the hands of various private owners. Valued as a picturesque ruin during the 18th and 19th centuries, it features in many contemporary engravings and illustrations. In 1925 the Duke of Devonshire presented the monument to the state, and extensive repairs began with a view to opening the monument to the public. These were interrupted by the outbreak of World War II, when the castle resumed its original military purpose of protecting the south coast. The castle was refortified in May 1940 as an observation and command post. It was continuously occupied by regular troops, including Canadian forces and the United States Army Air Corps, who used it as a radio direction centre, and by the Home Guard until 1944. The World War II defences include two pillboxes and three machine gun posts of concrete faced with rubble and flints, carefully concealed and camouflaged within the earlier Roman and medieval fabric. An internal tower was built just to the south of the Roman east gateway and a blockhouse housing anti-tank weapons was built in front of the main Roman gateway. The blockhouse no longer survives. Modifications carried out to the medieval mural towers included lining the interiors with brick and inserting wooden floors. In 1945 the monument was returned to peaceful use and is now in the guardianship of the Secretary of State and open to the public.
[Historic England]
Photos from unveiling for 1,000 tonne tunnel boring machines at Royal Oak Portal - Westbourne Park, London - 13th March 2012 london-underground.blogspot.com/2012/03/photos-boris-john...
Please credit london-underground.blogspot.com if you use any of these photos
"With the improvement of the internal combustion engine a vast new source of power was opened up..."
-Lewis Mumford
New Uploaded:-Ab machine workout, by: Abtekk Gym ___ Intense Abs Workout Routine
Ab machine workout -Lower ab workouts - abtekk.com/abtekk-give-away - Win a FREE Ab Workout set worth a whopping £100. In today's busy world, staying fit and healthy can seem like an impossible task. It doesn't have to be that way. There are any number of surprisingly easy ways you can get yourself into great shape without having to kill yourself. The tips in this article will help you on your way.No matter what your gender happens to be, you should still do strength training as part of your exercise routine. You don't have to worry about bulking up and looking like a body builder unless you actively try for that result. Those types of builds don't happen overnight and a casual person won't achieve those builds. To increase your endurance, breathe fully and from your diaphragm when you exercise, particularly when running. This increases your oxygen intake and your lung capacity and lets you exercise longer. If you don't know how to breathe from your diaphragm, you can lie down and put something on your stomach, then practice making it rise and fall as you inhale and exhale.If you want to get in shape using yoga, do your yoga stretches and poses on a hard surface. For more Info on Ab Workout see here: www.youtube.com/playlist?playnext=1&list=PLvR-rVWiRMP... Practicing on a soft floor can lead to joint injuries and can throw off your balance, which will reduce the effectiveness of your yoga routine. In a reverse of the common practice, you can place a hard, smooth material onto a soft carpet to create the ideal yoga surface.Even though it is vital, sleep is often overlooked when one plans a fitness regimen. Ab machine workout The modern world tends to encourage one to sleep less and less. This is a mistake if one wants to get fit. Sleep is crucial in restoring the body and maintaining energy levels. Get at least seven hours of sleep every night to stay fit and healthy. Take time to stretch in between sets of weightlifting. Research has shown that people who stretch while waiting to start their next set of lifting weights have stronger muscles than those who just sit and wait between sets. Stretching is a little thing you can do to strengthen yourself while you're resting. To have a healthy body it is important to have a good amount of sleep. The body needs to sleep to rejuvenate, this should not be taken for granted. Sleeping for eight hours maintains the body's healthy immune system, helps the individual manage stress better. So be sure to get a good amount of sleep daily.Exercising increases the oxygen to the brain. Studies have proven that incorporating an exercise program to your daily routine will decrease the chance of getting dementia in up to 60% in older adults. Exercising releases proteins that strengthens the brain's neurons and cells which is directly related to memory and learning. A high calorie diet will allow for you to fully utilize your workout. You will be using the calories to provide energy and make your workout last longer. Ab machine workout This will allow your muscles to grow because the intense workout causes small tears and once healed makes the muscles stronger and also increase in size.Set goals. Whatever exercise you choose to pursue, set weekly goals and track your progress. You may set any goal appropriate for your fitness level, but the key is to persistently follow through on your plan. Record your daily workouts on a chart or keep a simple tally indicating that you completed the exercises you had planned to do.Taking the proper supplements can assure that ones body is getting all the needed nutrients to improve fitness and refuel after exercising. Research should be done to decide what the best amounts for that individual will be. However with the right balance supplements will improve the results of exercising and increase overall fitness. Runners can effectively increase their overall speed not by increasing the length of each running stride, but by trying to increase the actual speed of each individual stride. In the ideal stride, your foot should always land on the ground directly beneath your body instead of landing in front of you.Improve your volleyball contact skills. You may not believe it, but playing foosball is a great way to do this. You need similar skills in foosball as you need in volleyball. These skills can then be improved on and can work great in volleyball.When you need shoes for working out, be sure that they fit properly. Go shoe shopping in the evening time. When it is late in the day, your feet are the largest. When trying on the shoes, be sure that you can wiggle your toes and that you have about a half inch of space between your longest toe and the shoe.
via, YouTube: youtu.be/6vy_w5ub9xA
Source/Repost=>
abtekkgym.blogspot.com/2016/11/ab-machine-workout.html ** Mark D. Smith / MarkDSmith / MarkSmith ** abtekkgym.blogspot.com/
Orchards are far from roads. In the village (Serbia/Vojvodina/Srpski Itebej) and its surroundings there are no factories, industrial plants, junkyards and other pollutants.
Plums are solely of domestic varieties traditionally grown almost 800 years. It is important that the itebejska ljuta (plum brandy) is prepared of several varieties of plums, which together give a specific aroma and taste, never burst or treat any fertilizers or chemicals.
Plums are gathered when fully ripe, or when the fall from the tree by their own will. There is no harvesting, shaking trees, clubbing and other violent methods in order to accelerate the collection process.We collect only the fully ripe and healthy fruits, which are then stored in plastic or wooden casks to ferment. By no means should not be added sugar in order to get more alcohol.
We dont make any calculations, measurements of temperature, concentration of sugar in the fruits in order to calculate how much extra sugar you need to add, simply we dont use any extra sugar.
The only thing that is added to the plums is pure water in sufficient amounts to normal fermentation occurred.
Itebejska ljuta is exclusively made of fruit sugar and there is no place for mathematics, physics and chemistry.
Note: If someone interested in how to distinguish natural brandy from those in which extra sugar is added, you need to pour little denatured alcohol (alcohol - for disinfection has it all pharmacies) and dilute it with water. Then you take small sip and mix it in your mouth then spit out. Taste that you left in your mouth and feeling that the alcohol is caming out on your nose, through the eyes and ears from then on will always warn you that the brandy in which extra sugar is added.
Depending on the temperature, amount of plums and plum types, fermentation process can last from 8 days to several weeks. Reliable sign that the fermentation is done is crust thickness of about 10cm, which is created on top of the plums and is called "pogača".
Below the crust all fruit sugar is turned into alcohol and the peel and shell are submerge to the the bottom. Fluid created in process of fermentation is called "amura". Its liquid, red and resembles a wine, intensely feel the alcohol.
Distillation of plum brandy is done in cauldrons or as some prefer to call them "happy machine" or "factory".
Process of brandy distillation or separation of alcohol from "amure" is happening In cauldron. After the first distillation you get soft brandy, strenght around 10 grad (24% alc). Soft brandy is collected in a large barell, after all "amura" is distilled in soft brandy we start the process of re-distillation.
That means that we put all soft brandy in cauldron and repeat the process of distillation, after that process itebejska ljuta is finished.
Strenght of itebejska ljuta is about 21 grad (54% alc) and we also call it strong brandy.
Strenght of brandy is determinated by by your taste, this is achieved measuring and define right moment to stop distillation. Itebejska ljuta is poured in the mulberry, acacia or oak barrels, depending on the flavor and color that you want to get. After 12 months of standing brandy ca be stored in glass balloons.
Beer vending machines are nothing new, but I love how this one has everything organized by size (including the house special, that large can of Sapporo on the right). I really question whether this works and/or has beer in it that is less than 10 years old. Also, how do you get "GIANT" out of the machine?
There are approximately 1,300 slot machines at McCarran, in baggage claim, the shopping areas, in terminals near gates—even in the car rental center. ~ www.vegassolo.com/playing-the-slots-at-the-airport-yay-or...
LUMIX G Vario 14-42mm f/3.5-5.6 on a Panasonic G2
Settings: 1/160 | ƒ/4.5 | ISO 160 | 19 mm
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Florence & The Machine at the Hop Farm Festival, July 09.
Not like my usual stuff, but we were so close to the stage, even my little digital camera could cope! (just)
Fantastic performer, she's SO awesome.
BMW 550i with Vossen VVS-082 20x9 and 20x10.5 Black Machined.
Lexus of North Miami Beach - Supra / Lexus Mega Meet
I've been working nights lately working in a sheet metal shop. Is it a great job? No. Is it peaceful? Yes. Most nights, I'm there alone after 5pm; It's just me and the radio. It works, although, just a temp job. I found this upon one of the presses as I was leaving. Some warped fucks there, in a good way.
Pataphysical Studios is building a Time Machine for our next art exhibit. On a balmy spring afternoon, Drs. Rindbrain and Fabio created more visualizations of what the Time Machine might look like.
We sketched out several ideas for the inside and outside walls, for discussion purposes. On each side of the main screen, we designed round portholes through which we could interact with our guests -- or show scenes from the past or future. Behind each porthole would be a magic box that could feature artifacts from distant times -- or the head of a historical figure, projected onto a ‘life cast’. The rest of the inside walls would be used for other interactive artworks such as the Crazy Clock, which sings quotes about time when you press its big green button.
On the outside walls, we sketched out a Face Box that you could stick your head in to get your picture taken. It would include an Infinity Mirror made of LED strips cycling through the colors of the rainbow, with a camera at the end of this light tunnel. We also sketched out where time wonderboxes could be placed on the side walls, proposing that the left wall focus on the past and the right wall on the future. A graphic timeline across both walls could support that idea.
It was a productive meeting and we look forward to presenting these ideas to our fellow doctors at the next Time Machine meeting.
Fire in the hole!
View more Time Machine photos:
www.flickr.com/photos/fabola/albums/72157659761749014
See our brainstorm notes for the Time Machine:
docs.google.com/document/d/1rM9kjOu83Qewh1HwaA2nkzbGdmHb9...
Here’s our overview for the Crazy Clock:
docs.google.com/document/d/18h8uK5v-H3fvonbvJaTYOyvuiDDfv...
View more 'Pataphysical photos: www.flickr.com/photos/fabola/albums/72157623637793277
Learn about Pataphysical Studios: pataphysics.us/
The CM-1, created by Thinking Machines, Inc., was a supercomputer created in 1985. It had 65,536 processors, and an overall speed of between 2.5 and 10 Gigaflops, and a price tag of about $2.5M.
Konepiirustuksen opetustilanne, 1920-luku. Opettaja Sigurd Englund. Taideteollisuuskeskuskoulun opetustilanteita.
TaiKV:07:018
Aalto-yliopisto / Aalto University
Tiedätkö lisää tästä kuvasta? Jätä kommentti tai ota yhteyttä sähköpostitse: arkisto@aalto.fi
Lisätietoja kuvakokoelmista / more information: libguides.aalto.fi/c.php?g=578570&p=4667669
Stradivara sewing machine. This came with the original owners manual and the warranty, which shows the machine being purchased new in 1963. It also has a complete set of cams, the only ones I can see using are the zig zag and blind hem cams though.
Red SS Jaguar at the Brisbane Jaguar Concours de Elegance. For all the Jaguar Fan Club.
Wow isn't this a dream.
I owned a Jaguar once. Unfortunately it wasn't this one.
View Large On Black for mind blowing looks
7 Days of Shooting, Machinery Theme