OUR NAVAL GUNS IN THE CIVIL WAR AND TO-DAY. OUR NAVAL GUNS IN THE CIVIL WAR AND TO-DAY. SHIPS. The Parrott 100-Pound Rifle and t he 15-Inch Smooth-bore (Period of Civil War) Compared with the 50-Caliber 6-Inch and the 45-Caliber 12-Inch Rifles of 1902. Civil War Guns in Black. Hand Controller and Hand Gear. by Hand Gear. ELECTRICAL CONTROL OF BULKHEAD DOORS ON WARSHIPS., scientific american, 1905-09-23
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