Patent Model - Device for Hatching the Spawn of Fishes

Maker and role
Seth Green (b.1817, d.1888), Patentee
Production date
Sep 17 1867
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Object detail

Wood, iron
5 x 12 x 6" (12.7 x 30.5 x 15.2cm)
Green's patent is for a "Method of Hatching Fish-Spawn" and it "relates more especially to the propagation of shad, and its nature consists in the peculiar construction and arrangement of a propagating or fish or frog-spawn hatching chamber in such a manner as to effect a perfect and uniform circulation throughout the entire chamber, and at the same time prevent the escape of the spawn, and also of the young fish, until the attendant thinks proper." (Patent Number 68,871)
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