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Books Books 1 - 10 of 10 on The following .experiments were performed with a cast-iron lever, 11 feet long, multiplying....
" The following .experiments were performed with a cast-iron lever, 11 feet long, multiplying the strain ten times, with a screw adjustment at the head, and a counterpoise. The sheets of iron and copper which were experimented upon, were placed between... "
Minutes of Proceedings of the Institution of Civil Engineers - Page 60
by Institution of Civil Engineers (Great Britain) - 1848
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The Penny Mechanic and Chemist: A Magazine of the Arts and Sciences

1841
...41 Min. Sec. 25 From 130 to 120 8 22 30 1 10 30 9 3 4 41 1 3 6 IS 1 2 1 3 From 100i to 9Cs a 6 were experimented upon, were placed between two perforated...the pressure of the lever. The average results of these several experiments show, that the power required to force a punch, half an inch in diameter,...
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The Civil Engineer and Architect's Journal, Volume 4

Architecture - 1841
...times, with a screw adjustment at the head, and a counterpoise. The sheets of iron and copper wlu'ch were experimented upon were placed between two perforated...(which are given in a detailed tabular form) show that Hence it is evident, that the force necessary to punch holes of different diameters through metal of...
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Journal of the Franklin Institute

Meteorology - 1841
...through plates of wrought Iron and Copper." By Joseph Colthurst. Read before the Land. List. Civil Engrs. These experiments were performed with a cast-iron...that — The power required to force a punch — Inch diam. Through an iron plate Inch thick. 0.50 ditto 0.08 is 6,025lbs. 0.50 ditto 0.17 isll,950lbs. 0.50...
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The London journal of arts and sciences (and repertory of patent inventions ...

William Newton - 1841
...the force necessary to punch holes through plates of wrought iron and copper." By Joseph Colthurst. These experiments were performed with a cast-iron...(which are given in a detailed tabular form) show that Hence it is evident, that the force necessary to punch holes of different diameters through metals...
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Newton's London Journal of Arts and Sciences: Being Record of the ..., Volume 18

William Newton, Charles Frederick Partington - Industrial arts - 1841
...iron and copper." By Joseph Colthurst. These experiments were performed with a cast-iron lever, 1 1 feet long, multiplying the strain ten times, with...(which are given in a detailed tabular form) show that Hence it is evident, that the force necessary to punch holes of different diameters through metals...
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Railway Locomotives and Cars, Volume 13

Railroad engineering - 1841
...experimented upon were placed between two perforated steel plates, and the punch, the nipple of which was driven through by the pressure of the lever. The...average results of the several experiments (which arc given in a detailed tabular form) show that The power required Inch diameter. Through an Inch thich....
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The Practical Metal-worker's Assistant ...: With the Application of the Art ...

Oliver Byrne, John Scoffern, William Clay, Sir William Fairbairn - Electrometallurgy - 1864 - 646 pages
...cast-iron lever. 11 feet long, multiplying the strain ten times, with a screw adjustment at the head, aud a counterpoise. The sheets of iron and copper which...form), show that the power required to force a punch half an inch diameter through copper and iron plates, is as follows : Iron plate 0.08 thick, required...
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The Practical Metal-workers' Assistant: ...: With the Application of the Art ...

Metal-work - 1874 - 683 pages
...punching engines that are now met with. We believe the invention to be by M. Cave" of Paris. The following .experiments were performed with a cast-iron lever,...form), show that the power required to force a punch half an inch diameter through copper and iron plates, is as follows : Iron plate 0.08 thick, required...
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The Practical Metal-worker's Assistant: Comprising Metallurgic Chemistry ...

Oliver Byrne - Electroplating - 1878 - 683 pages
...punching engines that are now met with. We believe the invention to be by M. Cave" of Paris. The following experiments were performed with a cast-iron lever....detailed tabular form), show that the power required to fore* a punch half an inch diameter through copper and iron plates, i; as follows : Iron plate 0.08...
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Journal of the Franklin Institute

Electronic journals - 1841
...Head before the Land. Inst. Civil Engrs. These experiments were performed with a cast-iron lever, 1 1 feet long, multiplying the strain ten times, with...that—- The power required to force a punch — Inch diam. Through an iron plate Inch thick. 0.50 " ditto 0.08 is 6,0251bs. 0.50 ditto 0.17 is ll,950lbs....
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