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Figure 59 Picture

Figure 59

Figure 59. Insulated Knudsen bottle with frame. Martin Knudsen designed this apparatus about 1921 with the aid of Hans J. Nielsen. This bottle had a large aperture which facilitated the circulation of the water into the bottle. Note the messenger on the ascending mode image. Left: descending. Right: ascending.

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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