Annual Report of the Secretary of WarU.S. Government Printing Office, 1887 |
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Página 333
... Weight of heaviest one accepted . Weight of lightest one accepted .. 341 9 25 7 41 300 .pounds .. 558 .do .. 545 ..do .. 16 , 5229 550.74 303 3 0 3 300 6,488 2118 Weight of total number accepted Mean weight of projectile Number of ...
... Weight of heaviest one accepted . Weight of lightest one accepted .. 341 9 25 7 41 300 .pounds .. 558 .do .. 545 ..do .. 16 , 5229 550.74 303 3 0 3 300 6,488 2118 Weight of total number accepted Mean weight of projectile Number of ...
Página 341
... Weight of band ( mean ) Weight of band and projectile . * Per cent . Number of 12 - inch 800 - pound projectiles examined ... . Number rejected for erroneous dimensions of groove for band . Number rejected for eccentricity of interior ...
... Weight of band ( mean ) Weight of band and projectile . * Per cent . Number of 12 - inch 800 - pound projectiles examined ... . Number rejected for erroneous dimensions of groove for band . Number rejected for eccentricity of interior ...
Página 359
... Weight of heaviest shell accepted Weight of lightest shell accepted .. Mean weight of projectile .... ( 3 ) WEIGHTS . ..pounds .. 620 ..do .... 629.3 ..do .... 613.8 ... do .... 629 ..do .... 614 ..do .... 623+ ( 4 ) PHYSICAL PROPERTIES ...
... Weight of heaviest shell accepted Weight of lightest shell accepted .. Mean weight of projectile .... ( 3 ) WEIGHTS . ..pounds .. 620 ..do .... 629.3 ..do .... 613.8 ... do .... 629 ..do .... 614 ..do .... 623+ ( 4 ) PHYSICAL PROPERTIES ...
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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