Surveyor's Transit
name: label: maker
content: Eugene Dietzgen Company
notes: label: Description
content: This instrument is marked "DIETZGEN 10823." Dietzgen introduced the form around 1920, termed it a Highway Transit, and was still offering in the late 1930s. The horizontal circle is silvered, graduated in both directions, and read by opposite verniers to single minutes. The vertical circle is silvered, graduated, and read by vernier to single minutes. There are clamps and tangent screws to the horizontal circle and to the telescope axis. This example belonged to the University of Montana and, when new, cost $260.
label: Description
content: Ref: Eugene Dietzgen Co., <i>Catalogue</i> (Chicago, 1921), pp. 334-335.
label: Location
content: Currently not on view
place: label: place made
content: United States: Illinois, Chicago
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
creditLine: label: Credit Line
content: University of Montana, School of Forestry, Montana Forest and Conservation Experiment Station
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1984.0636.10
label: catalog number
content: 1984.0636.10
label: accession number
content: 1984.0636
objectType: label: Object Name
content: surveyor's transit
physicalDescription: label: Measurements
content: overall: 12 1/2 in; 31.75 cm
label: Measurements
content: horizontal circle: 5 1/4 in; 13.335 cm
label: Measurements
content: vertical circle: 4 1/2 in; 11.43 cm
label: Measurements
content: needle: 3 3/4 in; 9.525 cm
label: Measurements
content: telescope: 9 1/2 in; 24.13 cm
label: Measurements
content: hanging level: 5 in; 12.7 cm
label: Measurements
content: overall in case: 14 1/2 in x 8 in x 11 1/2 in; 36.83 cm x 20.32 cm x 29.21 cm