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.
Photo Category: Oceanography
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| Added On | 18th October 2015 |
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