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![Figure 15 ship4386.jpg Figure 15](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_ship4386.jpg?itok=H1sRgK7M)
Description
Figure 15. An oxygen probe - This device is much more modern than those examined previously. Two electrodes form a galvanic chain with the sea water in whichthey are immersed. the current measured depends on the diffusion of oxygenreleased under an electrode. This instrument was manufactured commercially bythe German firm Harmann and Braun in about 1957. (Image credit: Oceanographic Museum of Monaco | Y. Berard)