pl23_ship4450.jpg

Figure 73

Image

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Description

Figure 73. Thoulet device for measuring the virtual density of large samples.Julien Thoulet described this method in 1905 for determining the apparentdensity of pumice stones, in order to better understand the origin of theserocks which were found in abundance in bottom samples obtained by thePRINCESSE ALICE.

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