The Citadel and the Southern Military Academy, Charleston, S.C., the remains of the concrete wall built in the time of the Revolution, and 600 pound Blakely Solid Shot in the foreground

Steam Engineering Building, Junior shop and shot park U.S. Navy Yard Boston , Mass.

Fort Marion, interior, looking east, showing parapet walls and sentry box, heavy ordinance etc., St. Augustine, Fla.