pl23_ship4096.jpg
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https://www.noaa.gov/media/digital-library-photo/pl23ship4096jpgDescription
Figure 30. Closing device of the Apstein closing net. Left: open. Right:closed. Devised by Carl Apstein in 1903 and used in the North Sea. This wasused for quantitative plankton studies and was first used in the North Sea in1903.
Credit
Oceanographic Museum of Monaco
Photographer
Y. Berard
Category
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