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NOAA Photo Library Image - ship4438

Figure 62. Knudsen apparatus for the measurement of oxygen and nitrogen in sea water. This was a "multiple use" device that simultaneously was able to analyze sea water for the presence and amount of a number of gases. It was developed by the Dane Martin Knudsen and used by Ingolf in 1895 and 1896.

Image ID: ship4438, 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:
April 30, 2013