    
Title: Twin turret gun Description: Twin turret gun on board the Union ironclad Passaic (a monitor designed by Captain John Ericsson and commissioned in 1862) with its two Dahlgren 15-inch guns, each weighing 42,000 pounds, revolving easily without the use of ball-bearings; to the left of the muzzle of the gun in foreground can be seen the porthole-stopper, a heavy iron shield that could be swung about to close the porthole between shots, to prevent enemy shells from entering the chamber; in foreground are 425-pound balls, loaded into the guns with pulleys and a sling; American Civil War; ammunition; cannonballs; cannons; gun crews; ironclads; monitors; revolving guns; Keywords: sailors, seamen, swivel guns, warships Orientation: Landscape Dimensions: 2325 x 1545 (3.59 MPixels) (3:2) Print Size: 19.7 x 13.1 cm; 7.8 x 5.2 inches File Size: 10.29 MB (10,788,962 Bytes) Resolution: 300 x 300 dpi Color Depth: 16.7 million (24 BitsPerPixel) Compression: None Image Number: 0000095590 Source: Jay Robert Nash Collection |
