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pl23_ship3203.jpg

An early published diagram of the principle of echo-sounding

Image

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Permalink

https://www.noaa.gov/media/digital-library-photo/pl23ship3203jpg

Description

An early published diagram of the principle of echo-sounding. Published inSpecial Publication No. 3 of the International Hydrographic Bureau, October 1924. This is among the earliest of published diagrams of the echo-soundingprinciple.

Photographer

Archival Photography by Steve Nicklas

Collection

Voyage to Inner Space

NOAA Affiliation

NOS