Figure 28. Biological sampling device of Apstein net circa 1891. The net and system of this device was designed for fresh-water lake studies. This net was derived from the studies of Victor Hensen on quantitative methods of studying the sea. It was first tested in the Stettiner Haff in 1892.
Photo Category: Oceanography - Historical instruments
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Added On | 18th October 2015 |
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