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Figure 14 (cont) Picture

Figure 14 (cont)

Figure 14 (cont). 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 graduated in degrees and half-degree centigrade. Temperature range of: 99 0034, -26 to 34C; 99 0044, -13 to 35C; 99 0047, -18 to 33C; 99 0052, -7 to 33C.

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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