Herbert Grove Dorsey, inventor of the fathometer

Herbert Grove Dorsey invented the fathometer. Dorsey came to work as the chief physicist of the Coast and Geodetic Survey (C&GS) in 1926. Courtesy of NOAA Photo Library.


Related Links

Library: Readings for Ocean Explorers: Radio Talk on Echo Sounding by Dr. Herbert Grove Dorsey

NOAA Ocean Explorer Gallery

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