Figure 26. The Leger dredge sounder in the descending position. This sampling device was designed to retain a portion of the captured sample even if a rock held the jaws open after being activated to snap shut. This sounder was tested twenty-two times in 1903 on the PRINCESS ALICE II between depths of 18 and 4560 meters.
Photo Category: Oceanography - Historical instruments
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|Added On||18th October 2015|