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NOAA Photo Library Image - ship4241

Figure 39. Massey sounder, a propeller driven sounding device first developed in 1802 by Edward Massey. Many improvements were made to this device through the Nineteenth Century. The instrument in the image was created by Thomas Walke r in 1874. It consists of a propeller driven registering device which is fixed to a sounding line and weighted by ballast.

Image ID: ship4241, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Photographer: Y. Berard
Credit: Oceanographic Museum of Monaco

Category: Oceanography/Historical instruments/

High Resolution Photo Available

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Last Updated:
November 10, 2017