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![Operating a tellurometer, an early electronic distance measuring instrument geod1232.jpg Operating a tellurometer, an early electronic distance measuring instrument](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_geod1232.jpg?itok=R0J13qh6)
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https://www.noaa.gov/media/digital-library-photo/pl23geod1232jpgDescription
Operating a tellurometer, an early electronic distance measuring instrument.
Display Date
1960 ca.
Collection
Geodesy