Theodolite
name: label: maker
content: Gambey, Henri Prudence
notes: label: Description
content: This theodolite was used by the mapping branch of the U. S. Army Engineers—a tag on the box reads "U.S. Topographical Bureau, Theodolite No. 6"—and was probably made in the 1840s. The horizontal circle is silvered, graduated to 5 minutes, and read by four verniers and two magnifiers.
label: Description
content: The "Gambey à Paris" inscription is that of Henri Prudence Gambey (1787–1847), the foremost maker of precision instruments in France in the first half of the 19th century. Many American physicists and geodesists used instruments from his shop.
label: Description
content: Ref: Deborah J. Warner, "Gambey’s American Customers," <i>Rittenhouse</i> 4 (1990): 65–78.
label: Location
content: Currently not on view
place: label: place made
content: France: Île-de-France, Paris
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
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1993.0547.01
label: accession number
content: 1993.0547
label: catalog number
content: 1993.0547.01
objectType: label: Object Name
content: theodolite (geodetic)
physicalDescription: label: Measurements
content: overall: 12 1/2 in; 31.75 cm
label: Measurements
content: horizontal circle: 10 in; 25.4 cm
label: Measurements
content: telescope: 17 1/4 in; 43.815 cm