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NOAA Photo Library Image - ship4295

Figure 12. Negretti and Zambra thermometer, 1874 model. Although the principle of reversing was first described by George Aime' in 1845, this was the first thermometer to accurately determine the temperature at great depth and return to the surface and retain its readings. As such, it is considered the first modern reversing thermometer. It was used on the CHALLENGER expedition.

Image ID: ship4295, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Photographer: Y. Berard
Credit: Oceanographic Museum of Monaco

Category: Oceanography/Historical instruments/

High Resolution Photo Available

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Last Updated:
November 10, 2017