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Description
Figure 4. A lead fish used for continuous sounding operations at slow speed.This device was invented in 1914 and improved by Pierre Marti in 1920.
Credit
Oceanographic Museum of Monaco
Photographer
Y. Berard
Collection
Voyage to Inner Space
History of Oceanography Collection
The Early Instruments - Collections of the Oceanographic Museum at Monaco
Sounding Instruments
Keywords
Oceanography
Historical instruments