pl23_cgs02217.jpg
![Components of an automated magnetic observatory cgs02217.jpg Components of an automated magnetic observatory](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs02217.jpg)
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https://www.noaa.gov/media/digital-library-photo/pl23cgs02217jpgDescription
Components of an automated magnetic observatory
Display Date
1957 ca.
Collection
Historic Coast & Geodetic Survey
Keywords
Coast and Geodetic Survey
Geophysics Geomagnetism