pl23_ship4300.jpg
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https://www.noaa.gov/media/digital-library-photo/pl23ship4300jpgDescription
Figure 16. Certificate of examination certifying that the instruments had beentested at 3 tons pressure and the indicated corrections to readings thashould be used. These instruments were designed for use in polar areas and hadtemperature scales ranging from about -8C to 16C.
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
Historical instruments