Dry Card Compass

The U.S. Coast & Geodetic Survey acquired this compass in 1922 and transferred it to the Smithsonian in 1929. Its needle consists of four parallel strips of steel enclosed in a brass ring. The inscription reads "U.S.C.&G.S. No. 18."
Currently not on view
Object Name
dry card compass
date made
overall: 3 5/16 in x 5 1/8 in; 8.41375 cm x 13.0175 cm
ID Number
catalog number
accession number
See more items in
Medicine and Science: Physical Sciences
Measuring & Mapping
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
U.S. Coast & Geodetic Survey

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