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 wa
4/4/2019 2:06:35 PM
Photographer: Y. Berard
Credit: Oceanographic Museum of Monaco
Subject: Oceanography
Subject: Historical instruments