Keuffel & Esser Transit

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Description
This is an Engineer's Mountain and Mining Transit, Model 5076. New, it cost $220. Its Solar Attachment, Model 5090, is based on the design patented by G. N. Saegmuller in 1881, and cost an additional $50. The inscription on the compass dial reads “KEUFFEL & ESSER CO. / NEW YORK.” The 18373 serial number corresponds with a date of about 1908. By 1913, Keuffel & Esser had changed the design of this transit in several small ways.
Ref: Keuffel & Esser, Catalogue of Drawing Materials, Surveying Instruments (New York, 1906), pp. 30-31 and 372.
Location
Currently not on view
date made
1908
maker
Keuffel & Esser Co.
place made
United States: New York, New York
Measurements
overall: 14 in; 35.56 cm
horizontal circle: 5 1/2 in; 13.97 cm
needle: 3 1/2 in; 8.89 cm
vertical circle: 4 1/2 in; 11.43 cm
telescope: 9 in; 22.86 cm
hanging level: 4 1/2 in; 11.43 cm
overall: 14 1/2 in x 10 1/2 in x 8 1/8 in; 36.83 cm x 26.67 cm x 20.6375 cm
ID Number
1989.0403.05
accession number
1989.0403
catalog number
1989.0403.05
Credit Line
LaVerne Watkins
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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