Smithsonian - National Museum of American History, Behring Center

 
Physical Sciences Collection - Surveying and Geodesy

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Surveyor's Vernier Compass - enlargement
Surveyor's Vernier Compass
PH*328752

Surveyor's Vernier Compass - enlargement
Surveyor's Vernier Compass
PH*328752

Surveyor's Vernier Compass - enlargement
Surveyor's Vernier Compass
PH*328752