pl23_ship4234.jpg
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https://www.noaa.gov/media/digital-library-photo/pl23ship4234jpgDescription
Figure 31. Thoulet round dredge, designed by Julien Thoulet, professor at theUniversity of Nancy, about 1897. Although tested aboard the Princess Alice inabout 1901, it was not until 1909 that Thoulet tested his dredge in small lakes. That same year they were used in the Gulf of Gascogne on the PRINCESS ALICE IIin depths up to 4600 meters.
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