pl23_ship4295.jpg
Image
Download ( 1.19 MB )Permalink
https://www.noaa.gov/media/digital-library-photo/pl23ship4295jpgDescription
Figure 12. Negretti and Zambra thermometer, 1874 model. Although the principleof reversing was first described by George Aime' in 1845, this was the firstthermometer to accurately determine the temperature at great depth and return to the surface and retain its readings. As such, it is considered the firstmodern reversing thermometer. It was used on the CHALLENGER expedition.
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