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Figure 18

Figure 18. Hopfgartner sounding device, invented by the Austrian Lieutenant France von Hopfgartner. No information has been found regarding tests and subsequent use of this instrument.

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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