Surveyor's Compass

Description
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.
Location
Currently not on view
Object Name
surveyor's compass
Measurements
overall length: 16 in; 40.64 cm
needle: 5 1/2 in; 13.97 cm
ID Number
PH*337072
catalog number
337072
accession number
1980.0012
catalog number
1980.0012.01
subject
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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