Theodolite
date: label: date made
content: mid-nineteeth century
name: label: maker
content: Würdemann, William
notes: label: Description
content: The horizontal circle of this theodolite is silvered, graduated to single minutes, and read by opposite verniers with magnifiers to single seconds. The vertical circle is silvered, and read by single vernier and magnifier. The inscription reads "Wm. Würdemann, Washington, D.C. No 163." William Würdemann (1811-1900) was a precision instrument from Germany who began working in Washington in 1834.
label: Location
content: Currently not on view
place: label: place made
content: United States: District of Columbia, Washington
setName: label: See more items in
content: Medicine and Science: Physical Sciences
label: See more items in
content: Surveying and Geodesy
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content: Measuring & Mapping
creditLine: label: Credit Line
content: U.S. Coast and Geodetic Survey
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.316530
label: accession number
content: 225703
label: catalog number
content: 316530
objectType: label: Object Name
content: theodolite
physicalDescription: label: Measurements
content: overall: 13 in; 33.02 cm
label: Measurements
content: horizontal circle: 6 in; 15.24 cm
label: Measurements
content: vertical circle: 2 1/2 in; 6.35 cm
label: Measurements
content: overall: 13 1/8 in x 8 1/8 in x 10 11/16 in; 33.3375 cm x 20.6375 cm x 27.14625 cm