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He inventing the Archimedes screw - a screw-shaped machine or hydraulic screw that raised water from a lower to a higher level. ... Famous Inventions A to Z Thomas Edison - The Inventions of Thomas Edison The History of Computers - Computer History Timeline History of the Telephone 20th Century Timeline...
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inventors.about.com/library/inventors/blarchimedes.htm
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Screw - Wikipedia, the free encyclopedia
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A screw , or bolt , is a type of fastener characterized by a helical ridge, known as an external thread or just thread , wrapped around a cylinder. Some screw threads are designed to mate with...
en.wikipedia.org/wiki/Screw
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Sir Joseph Whitworth. An uniform system of screw threads. Minutes of Proceedings of the Institution of Civil Engineers, 1841, i, 157. ... William Sellers. A system of screw threads and nuts. Journal of the Franklin Institute, volume 47, page 344 (May 1864).
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www.sizes.com/tools/thread_history.htm
www.sizes.com/tools/thread_history.htm
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In 1513 a German clock maker developed the first screw. The first screws were made out of brass or steel wire. The threads were hand cut using a file. The screw head was made by striking and flattening one end of the wire.
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www.lox.com/History.asp?Item=3
www.lox.com/History.asp?Item=3
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In 1906 Lymburner Robertson developed the socket head screw, also known as the square recess screw. This new screw was self centering and drove with four points rather than two allowing more torque to be applied.
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www.lox.com/History.asp?Item=2
www.lox.com/History.asp?Item=2
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The Archimedes Screw History Project takes a basic mechanical device, the screw, and traces its application to different technical challenges during the 18th and 19th centuries. The project collects sources on screw technology and its application, including newspaper articles, letters, memoirs, illustrations, and patents.
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www.cogulus.com/archimedes/
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The gun made 'famous' by Kipling's poem The Screw Gun was the RML (rifled muzzle-loading) 2.5-in (63.5 mm) jointed mountain gun which fired a 7-lb (3.17 kg) shell. For easy portability ... History Home Page | Old Comrades' Home Page; Send suggestions or comments to the Webmaster; Page last updated: December 7, 1998...
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www.riv.co.nz/rnza/hist/screwgun.htm
www.riv.co.nz/rnza/hist/screwgun.htm
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Of all of all the Swarthmore traditions listed in The Student Handbook, the "Screw Your Roommate Dance" probably attracts the greatest percentage of the the student body. "It's been going on as long as I've been here, and I came in 1988," said Dean Ted Goundie.
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www.sccs.swarthmore.edu/users/98/elizw/Swat.history/scr...
www.sccs.swarthmore.edu/users/98/elizw/Swat.history/screw.html
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This photograph shows Screw Auger Falls in Grafton Notch, Maine. ... Send this image to a friend as a Picture History e-card. To send your free e-card, please complete this form and be sure to include your personal message...
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www.picturehistory.com/find/p/10024/mcms.html
www.picturehistory.com/find/p/10024/mcms.html
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