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https://www.noaa.gov/media/digital-library-photo/pl23ship4378jpgDescription
Plate 2. Piezometers used by John Buchanan on the CHALLENGER. On the rightis a mercury piezometer and on the left is a water piezometer. Piezometers aredevices used to measure the compressibility of liquids.
Credit
Oceanographic Museum of Monaco
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