Brandis Transit

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
transit
date made
ca 1890-1916
maker
F.E. Brandis, Sons and Company
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
place made
United States: New York, New York
ID Number
1983.0548.08
accession number
1983.0548
catalog number
1983.0548.08
subject
Measuring & Mapping
Surveying and Geodesy
See more items in
Medicine and Science: Physical Sciences
Surveying and Geodesy
Data Source
National Museum of American History, Kenneth E. Behring Center
cited
F. E. Brandis, Sons & Co.. Illustrated and Descriptive Catalogue and Hand-Book of Instruments of Precision for Civil Engineers, Surveyors and Astronomers
maker referenced
Smart, Charles E.. Makers of Surveying Instruments in America Since 1700

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