Longitudinal cross-section (cutaway) elevation of the monitor (turreted ironclad) "Monadnock" built at the Charlestown yard in 1862-1863.
Longitudinal cross-section (cutaway) elevation of the monitor (turreted ironclad) "Monadnock" built at the Charlestown yard in 1862-1863.
The "Monadnock" was the only monitor built at the Charlestown yard. Illustration includes a cutaway turret assembly detail showing the crew within the turret, the pilot house, turning mechanism, ammunition gantry, one of two 15-inch Dahlgren guns, and ammunition storage. Also included is a diagram depicts ironcladding technology showing layers of protection including wooden backing up to three feet thick, India rubber or felt, and cladding made up of laminated one-inch iron plates.
Abbr=PUB
U.S. National Park Service
Project=Charlestown Navy Yard Handbook; Art_Registration_No=PUB-0112 ; Reflective Art