Surveyor's Transit
Surveyor's Transit
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- Description
- This transit is marked "F. E. BRANDIS, SONS & CO. NEW YORK 1569." The firm, which was in business as such during the period 1890-1916, described it as an Engineers' Transit with Level Attachment, Gradienter, and Vertical Arc. The horizontal circle is graduated to 20 minutes of arc, and read by opposite verniers to 30 seconds. The vertical arc is graduated to 20 minutes of arc, and read by vernier to single minutes. New, it cost $239.
- Ref: F. E. Brandis, Sons & Co., Illustrated and Descriptive Catalogue and Hand-Book of Instruments of Precision for Civil Engineers, Surveyors and Astronomers (New York, 1902), p. 163.
- Location
- Currently not on view
- Object Name
- surveyor's transit
- date made
- ca 1890-1916
- maker
- F.E. Brandis, Sons and Company
- place made
- United States: New York, New York City
- Measurements
- overall: 16 in; 40.64 cm
- horizontal circle: 6 3/8 in; 16.1925 cm
- needle: 4 3/8 in; 11.1125 cm
- telescope: 9 7/8 in; 25.0825 cm
- hanging level: 5 7/8 in; 14.9225 cm
- overall: 15 in x 12 1/2 in x 9 1/2 in; 38.1 cm x 31.75 cm x 24.13 cm
- ID Number
- 1983.0548.08
- accession number
- 1983.0548
- catalog number
- 1983.0548.08
- Credit Line
- Conrad S. Ham
- 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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