pl23_ship4363.jpg

Figure 66

Image

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Description

Figure 66. Negretti and Zambra thermometer recorder. This instrument wasdeveloped in 1920 and was actuated by the principle of expansion and contraction of mercury in a Bourdon tube. Above: recording device. Bottom: sensorand conducting unit.

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