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![Side view of tide-prediction machine No cgs01647.jpg Side view of tide-prediction machine No](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs01647.jpg?itok=-RDJqsaT)
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https://www.noaa.gov/media/digital-library-photo/pl23cgs01647jpgDescription
Side view of tide-prediction machine No. 1, the Ferrel tide-prediction machine.
Display Date
1910
Location
Washington, D.C.
Collection
Historic Coast & Geodetic Survey