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![Figure 65 ship4361.jpg Figure 65](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_ship4361.jpg?itok=_M6eJtbR)
Description
Figure 65. Bounhiol thermometer register, used to record temperatures in an enclosed caisson lowered to depths. This instrument was devised by Jean-Paul Bounhiol, Professor at the higher school of sciences at Algiers, in 1908. He tested it at about 60 meters water depths in the vicinity of Algiers. (Image credit: Oceanographic Museum of Monaco | Y. Berard)