 | 1841 - 488 pages
...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,... | |
 | William Laxton - 1841 - 534 pages
...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... | |
 | 1841 - 912 pages
...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... | |
 | William Newton - 1841 - 494 pages
...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... | |
 | William Newton, Charles Frederick Partington - 1841 - 494 pages
...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... | |
 | 1841 - 412 pages
...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.... | |
 | Oliver Byrne - 1864 - 682 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... | |
 | Oliver Byrne - 1874 - 718 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... | |
 | Oliver Byrne - 1878 - 720 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... | |
 | 1841 - 460 pages
...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.... | |
| |
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... 