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NOAA Photo Library Image - ship4494

Figure 37. Assman aspirating psychrometer, used to determine relative humidity by comparing dry and humid air temperatures. The instrument was designed on principles discovered by the German Ernst Ferdinand August, the director of the Gymnasium of Berlin, in 1825. Professor Richard Assman of the Meteorological Institute of Berlin, built this instrument about 1886.

Image ID: ship4494, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Photographer: Y. Berard
Credit: Oceanographic Museum of Monaco

Category: Oceanography/

High Resolution Photo Available

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Last Updated:
November 10, 2017