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![Figure 23 ship4089.jpg Figure 23](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_ship4089.jpg?itok=l67C5nDo)
Description
Figure 23. Kofoid net devised by Charles A. Kofoid of the University of California at Berkeley in 1909. Above: in the functioning position. Lower left: indescent. Lower right: upon ascent. This net sampling system was meant toguarantee the verticality of the cable and sampling at the exact depth desired.It was tested off San Diego in 1909 at 1000 meters depth. (Image credit: Oceanographic Museum of Monaco | Y. Berard)