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pl23_theb2148.jpg

Title page to manual - The Submarine Fathometer

Image

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Permalink

https://www.noaa.gov/media/digital-library-photo/pl23theb2148jpg

Description

Title page to manual - The Submarine Fathometer.Fathometer invented by Herbert Grove Dorsey of the Sub Signal Corporation.

Collection

Historic Coast & Geodetic Survey

Nautical Charting

Soundings

Acoustic Sound Systems

Keywords

Charting

Soundings

Electronic