Surveyor's Cross

Description
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.
Location
Currently not on view
Measurements
overall: 6 3/4 in x 2 3/4 in; 17.145 cm x 6.985 cm
overall: 3 7/16 in x 7 3/4 in x 3 3/4 in; 8.73125 cm x 19.685 cm x 9.525 cm
ID Number
PH*333799
catalog number
333799
accession number
296611
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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