Berger & Sons Builder's Transit

Description
This Convertible Transit Level is signed "C. L. BERGER AND SONS, INC. BOSTON, MASS. 62282 MADE IN U.S.A." Berger introduced this form in the early 1950s, describing it as a "modern, practical and sturdy instrument, precision engineered for the requirements of the contractor and builder." This example was owned by Charles H. Rutter, a contractor and builder in southern Prince George's County, Md. Its horizontal circle and vertical arc are divided to single degrees, and read by verniers to 5 minutes.
Ref: C. L. Berger & Sons, Inc., Solar Ephemeris and Polar Tables (Boston, 1954), p. 62.
Location
Currently not on view
date made
1950s
maker
C.L. Berger and Sons
place made
United States: Massachusetts, Boston
Measurements
case: 40 cm x 17 cm x 29 cm; 15 3/4 in x 6 11/16 in x 11 7/16 in
overall in case: 15 in x 11 in x 6 3/8 in; 38.1 cm x 27.94 cm x 16.1925 cm
ID Number
2003.0017.03
accession number
2003.0017
catalog number
2003.0017.03
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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