Annual Report of the Secretary of WarU.S. Government Printing Office, 1896 |
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Página 387
... sound of projectile in flight , scattering of fragments , etc. General remarks . The gun is 43.57 calibers long from seat of head of cartridge case to muzzle . Weight of breechblock and breech mechanism complete , including ex- tractor ...
... sound of projectile in flight , scattering of fragments , etc. General remarks . The gun is 43.57 calibers long from seat of head of cartridge case to muzzle . Weight of breechblock and breech mechanism complete , including ex- tractor ...
Página 425
... sound of projectile in flight , scattering of fragments , etc. General remarks . Mortar recoiled off cradle ; handles of translating roller and of console latch bent . Copper cylinders of 18,000 pounds initial com pression and tables of ...
... sound of projectile in flight , scattering of fragments , etc. General remarks . Mortar recoiled off cradle ; handles of translating roller and of console latch bent . Copper cylinders of 18,000 pounds initial com pression and tables of ...
Página 457
... sound of projectile in flight , scattering of fragments , etc. General remarks . Ft . In . Ft . In . 5 9 5 0 6 5 9 0 5 5 9 0 9 5 0 9 5 7 7 5 9 5 5 0 ст 5 0 0 0 0 Strengthening rod holding checks of carriage in rear broken ; also 1 bolt ...
... sound of projectile in flight , scattering of fragments , etc. General remarks . Ft . In . Ft . In . 5 9 5 0 6 5 9 0 5 5 9 0 9 5 0 9 5 7 7 5 9 5 5 0 ст 5 0 0 0 0 Strengthening rod holding checks of carriage in rear broken ; also 1 bolt ...
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12-inch B. L. mortar 12-inch B. L. rifle action of breech Appendix B. L. mortar steel barometer block bolt breech mechanism breechblock caliber cartridge cent center of impact consumption of powder coppers of 1892 degrees elevation deviation from center disappearing carriage effect on piece Eleva feet Firing conducted firing pin forgings Frankford Arsenal front fuse gauge grains gun cotton Hook Proving Ground humidity igniter inch long inch of bore June June 15 manufacture miles an hour muzzle nitroglycerin Object of firing Ordnance Department piston plate platform Pont's brown prismatic Pressure primer projectile in flight rear recoil Record of firing rounds sand Sandy Hook Proving scattering of fragments screw shaft Shell shot sight smokeless powder sound of projectile Special remarks spring SPRINGFIELD ARMORY square inch target thermometer tion top carriage trunnion velocity Watertown Arsenal Watervliet Arsenal Weight wheel WILLIAM CROZIER yards