pl23_ship4452.jpg
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https://www.noaa.gov/media/digital-library-photo/pl23ship4452jpgDescription
Figure 75. Device for determining the color of bottom samples. This device was conceived and described by Julien Thoulet in 1910.
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
Miscellaneous Instruments, Deck Gear, and Laboratory Instruments
Keywords
Oceanography