pl23_ship4088.jpg
Description
Figure 22. The Thor ring-trawl net used in deep water. Devised by JohannesSchmidt in 1905 and used for carrying out studies on board the THOR. This netwas used to capture fish in very deep water. It was first tested in watersbetween 1040 and 1090 meters depth off SW Ireland. The ring was originally madein one piece but George Hansen designed it in two to allow it to fold up.
Credit
Oceanographic Museum of Monaco
Photographer
Y. Berard
Collection
Voyage to Inner Space
History of Oceanography Collection
The Early Instruments - Collections of the Oceanographic Museum at Monaco
Biologic Sampling Apparatus
Keywords
Oceanography
Historical instruments