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![Figure 22 ship4149.jpg Figure 22](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_ship4149.jpg?itok=rjrp03jn)
Description
Figure 22. Arwidsson bottle invented by the Swede Thorsten Arwidsson in 1879used by Swedish and Danish investigators. The pencil indicates the placement of of the releasing mechanism. Left: descending. Right: ascending. This type of of bottle was used in 1952 by the Danish light vessel VYL. (Image credit: Oceanographic Museum of Monaco | Y. Berard)