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![Figure 33 ship4327.jpg Figure 33](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_ship4327.jpg?itok=qGTOkGiM)
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Figure 33. Meyer slow registering thermometer invented by Dr. Adolph Meyer andfirst used on the POMMERANIA in 1871 and then by various German scientificstudies. It was used down to 50 meters but would stay submerged for about anhour to register the proper temperature because it was highly insulated. (Image credit: Oceanographic Museum of Monaco | Y. Berard)