Surveyor's Transit

Description:

This is an Engineer's Mountain and Mining Transit, Model 5076. New, it cost $220. The Solar Attachment, Model 5090, based on the design patented by G. N. Saegmuller in 1881, 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.

Date Made: 1908

Maker: Keuffel & Esser Co.

Location: Currently not on view

Place Made: United States: New York, New York City

See more items in: Medicine and Science: Physical Sciences, Surveying and Geodesy, Measuring & Mapping

Exhibition:

Exhibition Location:

Related Publication: Keuffel & Esser. Catalogue of Drawing Materials, Surveying Instruments

Credit Line: LaVerne Watkins

Data Source: National Museum of American History

Id Number: 1989.0403.05Accession Number: 1989.0403Catalog Number: 1989.0403.05

Object Name: surveyor's transit

Measurements: overall: 14 in; 35.56 cmhorizontal circle: 5 1/2 in; 13.97 cmneedle: 3 1/2 in; 8.89 cmvertical circle: 4 1/2 in; 11.43 cmtelescope: 9 in; 22.86 cmhanging level: 4 1/2 in; 11.43 cmoverall: 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

Guid: http://n2t.net/ark:/65665/ng49ca746a5-73d2-704b-e053-15f76fa0b4fa

Record Id: nmah_745957

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