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![Figure 16 ship4300.jpg Figure 16](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_ship4300.jpg?itok=_4NMWxsu)
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Figure 16. Certificate of examination certifying that the instruments had beentested at 3 tons pressure and the indicated corrections to readings thashould be used. These instruments were designed for use in polar areas and hadtemperature scales ranging from about -8C to 16C. (Image credit: Oceanographic Museum of Monaco | Y. Berard)