B. Rittenhouse Surveyor's Compass

Description
This is marked "BENJAMIN RITTENHOUSE" and seems to be a typical Benjamin Rittenhouse compass from the period 1785–1796. The face is beautifully engraved, and the graduations on the needle ring are done with great accuracy. The socket joint can be adjusted so that the compass is held rigidly in place. The signature is off–center, however, with scant room for the final E.
Location
Currently not on view
Object Name
compass (surveyor's plain)
maker
Rittenhouse, Benjamin
Measurements
overall length: 14 3/4 in; 37.465 cm
needle: 5 3/4 in; 14.605 cm
ID Number
PH*328412
accession number
272468
catalog number
328412
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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