Surveyor's Transit

Surveyor's Transit

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Description
This surveyor's transit with a "Stackpole & Brother New York 1748" inscription was probably made in the 1870s. The horizontal circle is silvered, graduated to 20 minutes of arc, and read by opposite verniers to single minutes. There is a hanging level, and a clamp and tangent screw on the horizontal axis.
Location
Currently not on view
Object Name
surveyor's transit
maker
Stackpole and Brother
place made
United States: New York, New York City
Measurements
overall: 12 in; 30.48 cm
horizontal circle: 6 in; 15.24 cm
needle: 4 1/2 in; 11.43 cm
telescope: 10 1/4 in; 26.035 cm
hanging level: 6 in; 15.24 cm
overall in case: 14 1/4 in x 13 1/2 in x 9 5/8 in; 36.195 cm x 34.29 cm x 24.4475 cm
ID Number
PH.330482
maker number
1748
catalog number
330482
accession number
296855
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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