Dietzgen Transit

Description
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.
Ref: Eugene Dietzgen Co., Catalogue (Chicago, 1921), pp. 334-335.
Location
Currently not on view
maker
Eugene Dietzgen Company
place made
United States: Illinois, Chicago
Measurements
overall: 12 1/2 in; 31.75 cm
horizontal circle: 5 1/4 in; 13.335 cm
vertical circle: 4 1/2 in; 11.43 cm
needle: 3 3/4 in; 9.525 cm
telescope: 9 1/2 in; 24.13 cm
hanging level: 5 in; 12.7 cm
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
ID Number
1984.0636.10
catalog number
1984.0636.10
accession number
1984.0636
Credit Line
University of Montana, School of Forestry, Montana Forest and Conservation Experiment Station
See more items in
Medicine and Science: Physical Sciences
Measuring & Mapping
Surveying and Geodesy
Data Source
National Museum of American History, Kenneth E. Behring Center

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