Annual Report of the Secretary of WarU.S. Government Printing Office, 1896 |
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Página 104
... Effect of moisture , gained .. Effect of moisture and air , lost .. Per cent . 0.6180 0.984 0.1160 There being no means at hand for ascertaining the effect of the tests of cannon powder on the velocity and pressure , only change of ...
... Effect of moisture , gained .. Effect of moisture and air , lost .. Per cent . 0.6180 0.984 0.1160 There being no means at hand for ascertaining the effect of the tests of cannon powder on the velocity and pressure , only change of ...
Página 107
... effect of detonation on some of the smokeless powders used in the small - caliber rifle , charges of 2 grams were exploded in short lead tubes , with and without the interposition of mercuric fulminate . The apparatus is shown in Pl . I ...
... effect of detonation on some of the smokeless powders used in the small - caliber rifle , charges of 2 grams were exploded in short lead tubes , with and without the interposition of mercuric fulminate . The apparatus is shown in Pl . I ...
Página 161
... effects of absorption of moisture , and the effects of elevation of temperature over a range of nearly 400 ° F. The ... effect of long - continued and alternate stresses in iron and steel has been referred to in the endurance tests of ...
... effects of absorption of moisture , and the effects of elevation of temperature over a range of nearly 400 ° F. The ... effect of long - continued and alternate stresses in iron and steel has been referred to in the endurance tests of ...
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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