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sounding machine

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noun Navigation.

any of various machines for taking and recording soundings.

Origin of sounding machine

First recorded in 1840–50

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sounding machine

Historical Examples of sounding machine

I had just come up from below and was standing beside the sounding-machine, not half a dozen feet from Henry at the wheel.
The Mutiny of the Elsinore
Jack London
A story is told in connection with this sounding-machine which shows the vivacity and wit of the inventor.
Makers of Electricity
Brother Potamian