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![Figure 21 ship4148.jpg Figure 21](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_ship4148.jpg?itok=zra-gsHC)
Description
Figure 21 . Ekman insulated bottle invented by Professor Fredrik Eckman for studies of the temperature and salinity of the waters of the Skagerrak in 1869. A model of this type was used by Nordenskiold on the VEGA in 1878 andwas also used by the FRAM in 1893. This image shows the bottle in the ascending position. (Image credit: Oceanographic Museum of Monaco | Y. Berard)