Surveyor's Compass

Surveyor's Compass

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Description
This surveyor's compass has a 4-inch needle (the same "as is furnished with Gurley Precise Transits"), needle release, two folding sights, two levels on the face, and a jacob staff mounting. Gurley introduced this form in the 1920s, describing it as "an excellent and portable instrument for running lines through woods." This example belonged to the University of Missouri at Columbia. New, it cost $35. The signature reads "W. & L. E. GURLEY TROY, N.Y. U.S.A."
Ref: W. & L. E. Gurley, The Gurley Line (Troy, N.Y., 1929), p. 305.
Location
Currently not on view
Object Name
surveyor's compass
maker
W. & L. E. Gurley
place made
United States: New York, Troy
Measurements
needle: 4 in; 10.16 cm
overall: 2 in x 7 5/8 in x 6 9/16 in; 5.08 cm x 19.3675 cm x 16.66875 cm
ID Number
PH.333635
catalog number
333635
accession number
300659
Credit Line
University of Missouri-Columbia, Department of Civil Engineering
See more items in
Medicine and Science: Physical Sciences
Surveying and Geodesy
Measuring & Mapping
Data Source
National Museum of American History
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