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![Figure 30 ship4402.jpg Figure 30](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_ship4402.jpg?itok=nKmWbI7H)
Description
Figure 30. Nansen releasing devices used for closing plankton nets. This device was invented by Fridthof Nansen about 1900 and apparently used aboard theMICHAEL SARS. A messenger activated this mechanism which in turn strangledthe net by closing off its open end and capturing the fauna in the net. (Image credit: Oceanographic Museum of Monaco | Y. Berard)