Annual Report of the Secretary of WarU.S. Government Printing Office, 1887 |
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Página 163
... pressure to the square inch . Both shells had the usual copper band . These projectiles broke apart in gun ; the ... pressure in cushion , 40 pounds . Weight of air - cushion , 103 pounds ; stroke ] of piston in cushion , 3 inches ...
... pressure to the square inch . Both shells had the usual copper band . These projectiles broke apart in gun ; the ... pressure in cushion , 40 pounds . Weight of air - cushion , 103 pounds ; stroke ] of piston in cushion , 3 inches ...
Página 167
... pressure , with the following results : Number How packed . of rounds . Velocity . Pressure . Moisture . Wooden barrel Bag and wooden barrel . Spruce board Straw board . 2222 Feet . 1,473 Pounds . Per cent . 21,500 1,473 1,465 1,470 ...
... pressure , with the following results : Number How packed . of rounds . Velocity . Pressure . Moisture . Wooden barrel Bag and wooden barrel . Spruce board Straw board . 2222 Feet . 1,473 Pounds . Per cent . 21,500 1,473 1,465 1,470 ...
Página 224
... pressure , which we will now proceed to obtain . When deducing the pressures for the system in action , we considered the tangential and radial displacements at the inner surface of a hollow cylinder subjected to an interior and an ...
... pressure , which we will now proceed to obtain . When deducing the pressures for the system in action , we considered the tangential and radial displacements at the inner surface of a hollow cylinder subjected to an interior and an ...
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3.2-inch breech-loading alidade annealed Appendix Arsenal axle band base ring blank cartridges block bolts brake breech breech mechanism breech-block breech-loading rifle caliber 45 carriage carrier ring cartridges cast cast-iron cent chamber Chief of Ordnance compression contract cooling cylinder Density Double hooping Du Pont's dynamite Elastic limit Elongation after rupture Exterior diameter feet field guns finished forgings front Gatling gun grooves heated hole Hook Hotchkiss inch of original Inside interior jacket June 30 lathe length manufacture Mean measured metal Middle Midvale Steel Company mortar muzzle nitro-glycerine Ordnance Department Ounces P₁ P₂ pins pounds per square powder prescribed pressure primers R₂² rear rear-sight rounds sabot Sandy Hook screws seat shell shot shrinkage shrinking Single hooping sleeve slot South Boston Iron spindle square inch steel breech-loading surface Tensile strength thread Tons Total number transom trunnion-hoop trunnions Watertown Arsenal Watervliet Arsenal weight ז ז ז