Surveyor's Cross

This cross, closed and cylindrical, has a silver band that is graduated to degrees, and read by vernier to 2 minutes. Two slits are on the lower part of the cylinder, and four are on the upper part. A magnetic compass is on top.
Currently not on view
Object Name
surveyor's cross
overall: 6 3/4 in x 2 3/4 in; 17.145 cm x 6.985 cm
ID Number
catalog number
accession number
Measuring & Mapping
Surveying and Geodesy
See more items in
Medicine and Science: Physical Sciences
Surveying and Geodesy
Data Source
National Museum of American History, Kenneth E. Behring Center
Additional Media

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