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![Figure 32 ship4159.jpg Figure 32](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_ship4159.jpg?itok=JlBwS-1S)
Description
Figure 32. Regnard bottle invented by Professor Paul Regnard, deputy directorof the Experimental Physiology Laboratory at the Sorbonne, in 1890. Left:descending. Right: ascending. The top balloon is missing in these views. This instrument was used to water depths of about 100 meters. (Image credit: Oceanographic Museum of Monaco | Y. Berard)