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![Bottom-mounted multi-beam sonar transducer theb4127.jpg Bottom-mounted multi-beam sonar transducer](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb4127.jpg?itok=SCiXUvXr)
Description
Bottom-mounted multi-beam sonar transducer. Mounted in the hull of a NOAAsurvey launch.
Collection
Historic Coast & Geodetic Survey
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