Bosworth Graphometer

Description
This instrument is made of mahogany, and has an inset trough compass. The arc is graduated into degrees. It is marked "NOAH BOSWORTH, HALIFAX MS. 1824" and "No. 9."
Location
Currently not on view
Object Name
graphometer
maker
Bosworth, Noah
Measurements
overall: 9 in; 22.86 cm
alidade: 12 in; 30.48 cm
place made
United States: Massachusetts, Halifax
ID Number
PH*330193
catalog number
330193
accession number
287880
See more items in
Medicine and Science: Physical Sciences
Measuring & Mapping
Surveying and Geodesy
Data Source
National Museum of American History, Kenneth E. Behring Center

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