12-inch/40-caliber gun

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The 12"/40 caliber gun (spoken as "twelve-inch-forty--caliber") were used for the primary batteries of the United States Navy's last class of monitors and the Maine-class and Virginia-class pre-dreadnought battleships. rdf:langString
rdf:langString 12-inch/40-caliber gun
rdf:langString 12"/40 caliber Mark 3 and Mark 4
xsd:integer 12
xsd:integer 50497332
xsd:integer 1117309338
xsd:integer 12
rdf:langString View of and her forward 12"/40 caliber guns in the Mark 4 turret in 1916.
rdf:langString armor-piercing
xsd:integer 1899
rdf:langString *Mark 4: −3° to +15° *Mark 5: −7° to +20°
xsd:integer 300
rdf:langString YES
rdf:langString YES
rdf:langString *Mark 3: 41 *Mark 4: 10
rdf:langString United States
rdf:langString bore
rdf:langString at 15.5° elevation
rdf:langString * 0.66 rounds per minute * 2 rounds per minute
xsd:integer 1902
rdf:langString −150° to +150°
rdf:langString Mark 3 and Mark 4
rdf:langString * * *
rdf:langString * *
rdf:langString The 12"/40 caliber gun (spoken as "twelve-inch-forty--caliber") were used for the primary batteries of the United States Navy's last class of monitors and the Maine-class and Virginia-class pre-dreadnought battleships.
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