Bronze bench mark, American,1914
- Made:
- 1914 in United States
This image is released under a CC BY-NC-SA 4.0
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© The Board of Trustees of the Science Museum
Bench mark, bronze, from the U.S. Coast and Geodetic Survey, 1914
Details
- Category:
- Surveying
- Object Number:
- 1920-76
- Materials:
- bronze (copper, tin alloy)
- Measurements:
-
overall: 75 mm 90 mm, .425kg
- type:
- bench mark
- credit:
- U.S. Coast and Geodetic Survey
