The 15 in. gun at Fortress Monroe, Va. Weight 50,000 lbs, and carries a ball 475 lbs. weight from 4 to 5 miles

The 15 in. gun at Fortress Monroe, Va. Weight 50,000 lbs, and carries a ball 475 lbs. weight from 4 to 5 miles

Taken on battlefield of Antietam Oct. 18 [...] 1.Geo. H. Bangs, 2. Wm. B. Moore, Private Secy of [...] 3. Allan Pinkerton, 4. John C. Babcock, 5. A. K. Littlefield

The Great Metropolitan Sanitary Fair Marine Department, 15th Street. Models of boats, steamers, and sailing craft.

15-inch (i.e. 13-inch) mortar, "Dictator" in the works in front of Petersburg, Va. View from the north, September 1, 1864

[Grand review of the great veteran armies of Grant and Sherman at Washington, on the 23rd and 24th May, 1865]