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NOAA Photo Library Image - ship4187

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.

Image ID: ship4187, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Photographer: Y. Berard
Credit: Oceanographic Museum of Monaco

Category: Oceanography/Historical instruments/

High Resolution Photo Available

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Last Updated:
November 10, 2017