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Figure 40

Figure 40. Fol bathometer, designed by Hermann Fol who was a collaborator with Prince Albert I of Monaco. This instrument used the same principle as the Erics son sounder. Fol replaced water with mercury in order to determine the depth attained as a function of the quantity of liquid displaced by the pressure. Details concerning tests and effectiveness of this device are unknown.

Photo Category: Oceanography - Historical instruments

Author: Y. Berard/Oceanographic Museum of Monaco/ NOAA

License: Public Domain Mark 1.0 (Public domain)
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Added On
18th October 2015
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