Annual Report of the Secretary of WarU.S. Government Printing Office, 1896 |
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Página 97
... grains . 75.8 ( 25 ) 101.9 119.6 ( 27 ) 0.5893 ( 25 ) 37 grains . 53.5 ( 26 ) 90.3 ( 25 ) 6 , 608 CARTRIDGES . [ Air : In the open air for. Average changes in velocity ... grains Charge . 37.5 grains . REPORT OF CHEMICAL LABORATORY . 97.
... grains . 75.8 ( 25 ) 101.9 119.6 ( 27 ) 0.5893 ( 25 ) 37 grains . 53.5 ( 26 ) 90.3 ( 25 ) 6 , 608 CARTRIDGES . [ Air : In the open air for. Average changes in velocity ... grains Charge . 37.5 grains . REPORT OF CHEMICAL LABORATORY . 97.
Página 98
... grains .. 38 grains Charge . 37.5 grains . 37 grains . 36.5 grains . Average changes in velocity , pressure , and weight of the several lots of Peyton powder , etc. - Continued . [ Moisture : Saturated atmosphere for 24 hours . ] POWDER ...
... grains .. 38 grains Charge . 37.5 grains . 37 grains . 36.5 grains . Average changes in velocity , pressure , and weight of the several lots of Peyton powder , etc. - Continued . [ Moisture : Saturated atmosphere for 24 hours . ] POWDER ...
Página 103
... grain is of a light color , similar to that of most gun - cotton powders . The grains are very hard , rather brittle , difficult to cut , and have a specific gravity of 1.577 , with a gravimetric density of 790. The powder is very ...
... grain is of a light color , similar to that of most gun - cotton powders . The grains are very hard , rather brittle , difficult to cut , and have a specific gravity of 1.577 , with a gravimetric density of 790. The powder is very ...
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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