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Figure 36 Picture

Figure 36

Figure 36. Ericsson pneumatic sounder, invented in 1835 by John Ericsson of USS MONITOR fame. This was among the first instruments to use the principle of pressure needed to compress air a given amount to derive the depth of water.

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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