pl23_ship4439.jpg
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https://www.noaa.gov/media/digital-library-photo/pl23ship4439jpgDescription
Figure 63. Sorensen device for the determination of H+ ions. This device which measured the pH of water by a colorimetric method was devised by theDanish chemists Soren Peter Lauritz Sorensen and Sven Palitsch and usedduring the Danish oceanographic expedition on the THOR between 1908 and1910.
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