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![Base line measurement - maintaining proper tension on the tape theb1670.jpg Base line measurement - maintaining proper tension on the tape](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb1670.jpg?itok=eKi1TaSg)
Description
Base line measurement - maintaining proper tension on the tape. (Image credit: NOAA National Geodetic Survey)
Credit
NOAA National Geodetic Survey
Collection
Historic Coast & Geodetic Survey
Geodesy
Triangulation
Baseline & Treverse Measurements
Keywords
Geodesy
Triangulation
Baseline
Tape