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Figure 37

Figure 37. Current meter invented by Otto Pettersson 1910 with photographic recorder. Left: view of the assembled unit. Right: details of the measuring device and recorder. This was the first current measuring device to be able to record both direction and strength of current for long periods. It was first used from a pontoon at Goteborg in 1911.

Photo Category: Oceanography - Historical instruments

Author: P. Roggero/Oceanographic Museum of Monaco/ NOAA

License: Public Domain Mark 1.0 (Public domain)
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18th October 2015
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