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NOAA Photo Library Image - ship4260

Figure 52. Thoulet sounder devised by Professor Julien Thoulet of the University of Nancy in 1908. This was a modification of the Belloc sounder that Professor Thoulet wished to make more portable and to have a lower cost. No information is available concerning the test and use of this machine.

Image ID: ship4260, 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