Surveyor's Compass

Surveyor's Compass

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Description
This compass is more British than American, and in Britain it would have been referred to as a "circumferentor." The face reads clockwise. The needle rim is graduated to single degrees, and numbered counterclockwise from north. The "Messer London" inscription refers to Benjamin Messer, an instrument maker who was in business during the years 1789–1827.
Ref: Gloria Clifton, Directory of British Scientific Instrument Makers 1550–1851 (London, 1995), p. 187.
Location
Currently not on view
Object Name
surveyor's compass
Measurements
overall length: 13 in; 33.02 cm
needle: 4 in; 10.16 cm
overall: 6 1/4 in x 12 1/2 in x 4 3/4 in; 15.875 cm x 31.75 cm x 12.065 cm
ID Number
PH.327881
catalog number
327881
accession number
271855
Credit Line
Museum of Science and Industry
See more items in
Medicine and Science: Physical Sciences
Measuring & Mapping
Surveying and Geodesy
Data Source
National Museum of American History
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