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![Figure 52 ship4179.jpg Figure 52](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_ship4179.jpg?itok=KejfcHDf)
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Figure 52. Krummel and Ruppin bottle devised by Professor Otto Krummel in 1907and modified by Ernst Ruppin in 1912. Panel A - 3-liter bottle descending.Panel B. 3-liter model ascending. Panel C. 1-liter bottle descending. PanelD. 1-liter bottle ascending. This type of bottle was used by the POSEIDONabout 1912. (Image credit: Oceanographic Museum of Monaco | A)