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![Unidentified geophysical instrument theb1349.jpg Unidentified geophysical instrument](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb1349.jpg?itok=kSo5RYtp)
Description
Unidentified geophysical instrument
Display Date
Ca. 1967
Location
Virginia, Fredericksburg
Collection
Historic Coast & Geodetic Survey
Keywords
Geophysics
Geomagnetism
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