Surveyor's Compass

This compass may date from the fourth quarter of the 18th century. Although the bar holding the vertical sights is straight and narrow, the face reads counterclockwise. The needle rim is graduated to single degrees, and numbered in quadrants from North and South.
Object Name
surveyor's compass
overall length: 13 13/16 in; 35.1155 cm
needle: 4 1/4 in; 10.795 cm
ID Number
accession number
catalog number
Measuring & Mapping
Surveying and Geodesy
See more items in
Medicine and Science: Physical Sciences
Surveying and Geodesy
Data Source
National Museum of American History, Kenneth E. Behring Center
Additional Media

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