Surveyor's Transit
date: label: date made
content: ca 1890-1916
name: label: maker
content: F.E. Brandis, Sons and Company
notes: label: Description
content: 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.
label: Description
content: Ref: F. E. Brandis, Sons & Co., <i>Illustrated and Descriptive Catalogue and Hand-Book of Instruments of Precision for Civil Engineers, Surveyors and Astronomers</i> (New York, 1902), p. 163.
label: Location
content: Currently not on view
place: label: place made
content: United States: New York, New York City
setName: label: See more items in
content: Medicine and Science: Physical Sciences
label: See more items in
content: Surveying and Geodesy
label: See more items in
content: Measuring & Mapping
publisher: label: Related Publication
content: F. E. Brandis, Sons & Co.. Illustrated and Descriptive Catalogue and Hand-Book of Instruments of Precision for Civil Engineers, Surveyors and Astronomers
label: Related Publication
content: Smart, Charles E.. Makers of Surveying Instruments in America Since 1700
creditLine: label: Credit Line
content: Conrad S. Ham
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1983.0548.08
label: accession number
content: 1983.0548
label: catalog number
content: 1983.0548.08
objectType: label: Object Name
content: surveyor's transit
physicalDescription: label: Measurements
content: overall: 16 in; 40.64 cm
label: Measurements
content: horizontal circle: 6 3/8 in; 16.1925 cm
label: Measurements
content: needle: 4 3/8 in; 11.1125 cm
label: Measurements
content: telescope: 9 7/8 in; 25.0825 cm
label: Measurements
content: hanging level: 5 7/8 in; 14.9225 cm
label: Measurements
content: overall: 15 in x 12 1/2 in x 9 1/2 in; 38.1 cm x 31.75 cm x 24.13 cm