Smithsonian - National Museum of American History, Behring Center

 
Physical Sciences Collection - Surveying and Geodesy

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Surveyor's Compass - enlargement
Surveyor's Compass
1981.0182.01

Surveyor's Compass - enlargement
Surveyor's Compass
1981.0182.01

Surveyor's Compass - enlargement
Surveyor's Compass
1981.0182.01