Invention for Improvement in the Construction of Ordnance

Description (Brief)
Ericsson’s improvement in the construction of ordnance was one of many inventive achievements, including the design for the battleship U.S.S. Monitor during the American Civil War. In 1863 he was granted a patent for this improved gun carriage. It allowed the cannon to recoil backward in its tracks when fired and was made to be worked by fewer hands within a confined space such as a gun turret.
Object Name
date made
Ericsson, John
Ericsson, John
Physical Description
metal (overall material)
overall: 19.5 cm x 21 cm x 30 cm; 7 11/16 in x 8 9/32 in x 11 13/16 in
ID Number
catalog number
accession number
patent number
See more items in
Armed Forces History: Armed Forces History, Military
Industry & Manufacturing
Patent Models
Invention and the Patent Model
Invention and the Patent Model
Exhibition Location
National Museum of American History
Data Source
National Museum of American History, Kenneth E. Behring Center

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