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NOAA Photo Library Image - ship4412

Figure 40. Thoulet soluble cartridge messenger for delayed release of instruments. These "soluble weights" were designed to initiate the functioning of an immersed device at a pre-determined time. Thoulet had apparently designed this device for use with sampling nets . He started tests with these in 1893 in Lake Gerardmer and provided samples for Prince Albert I to use at sea.

Image ID: ship4412, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Photographer: Y. Berard
Credit: Oceanographic Museum of Monaco

Category: Oceanography/

High Resolution Photo Available





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April 30, 2013