Figure 39. Knudsen thermometer constructed by the firm of Siebert and Kuhn.
Little is known about this instrument.
Image ID: ship4333, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Photographer: Y. Berard
Credit: Oceanographic Museum of Monaco
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
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April 30, 2013