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Figure 29

Figure 29. Marsh net devised by C. Dwight Marsh in 1893. Left: view of the apparatus before closing. Upper right: view of the closed mechanism. Lower right: detail of the closing mechanism. This net was used for plankton sampling in lakes. It was first tested in Green Lake, Wisconsin, U. S. A., in 1893.

Photo Category: Oceanography - Historical instruments

Author: Left and UR: Y. Berard. BR: P. Roggero./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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