pl23_cgs05278.jpg
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https://www.noaa.gov/media/digital-library-photo/pl23cgs05278jpgDescription
The Theodolite Magnetometer. Plate 29, Coast Survey Report 1865.
Credit
NARA C&GS; Colllection
Display Date
1865
Collection
Historic Coast & Geodetic Survey
Historic Maps
General
Keywords
Coast and Geodetic Survey
Archive