pl23_theb2147.jpg
![Sonic sounding apparatus on the GUIDE theb2147.jpg Sonic sounding apparatus on the GUIDE](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb2147.jpg)
Description
Sonic sounding apparatus on the GUIDE.On the ship GUIDE
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Soundings
Acoustic Sound Systems
Keywords
Charting
Soundings
Electronic
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