Figure 60. Knudsen inverting bottle invented by Professor Martin Knudsen with the collaboration of Hans J. Nielsen in 1929. The construction was very simple and robust as the bottles were to be used in a series on a cable. The appearanc e and closing mechanism is very similar to the Nansen bottle but the robinettes are replaced by valves. Left: descending. Right: ascending.
Photo Category: Oceanography - Historical instruments
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|Added On||18th October 2015|