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Figure 14 Picture

Figure 14

Figure 14. Negretti and Zambra thermometers, older models. These were reversing thermometers completely protected by an outer glass casing. This type of thermometer was manufactured from 1878 until 1912. The scales were graduate d in degrees and half-degree centigrade. Length of these thermometers was about 24 cm, diameter of reservoir about 1.1 cm, and diameter of tube about 1.3 cm.

Photo Category: Oceanography - Historical instruments

Author: Y. Berard/Oceanographic Museum of Monaco/ NOAA

License: Public Domain Mark 1.0 (Public domain)
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Added On
18th October 2015
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