pl23_ship4365.jpg
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https://www.noaa.gov/media/digital-library-photo/pl23ship4365jpgDescription
Figure 67 (cont.) The recording of temperature versus pressure on thebathythermograph was done by etching a trace on smoked glass for reading uponrecovery of the instrument at the observing vessel.
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
Thermometers and Other Temperature Measuring Equipment
Keywords
Oceanography