Category:Surveying equipment in the National Museum of American History

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Media in category "Surveying equipment in the National Museum of American History"

The following 3 files are in this category, out of 3 total.

NMAH DC - IMG 8738.JPG 3,245 × 1,641; 1.55 MB
NMAH DC - IMG 8741.JPG 3,264 × 2,448; 2.38 MB
Surveyor's vernier compass, 1846-1854, made by Levi Colton, New York City - National Museum of American History - DSC06199.JPG 4,320 × 3,240; 4.59 MB

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