pl23_theb2698.jpg

Sigsbee Sounding Machine - invented by Charles D

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Description

Sigsbee Sounding Machine - invented by Charles D. Sigsbee and modified fromThomson Sounding Machine. Basic design of ocean sounding instruments stayed the same for the next 50 years. Here the sounding machine is used to set a Pillsbury current meter at a known depth. In: The Gulf Stream, by JohnElliott Pillsbury, 1891. Call Number GC296.G9 P54 1891.

Credit

NOAA Central Library

Display Date

1880?

Location

Washington Navy Yard

Collection

Voyage to Inner Space

Keywords

Oceanography
Pre-1950
Ships