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Fishing apparatus for the artificial culture of mussels, consisting of a double frame formed of beams, on which are fixed, by the aid of hooks, either vertically or horizontally, as the case requires, planks covered with mussels. The horizontal planks, submerged from 15 to 20 centimeters, receive the seed-beds of very young mussels, which attach themselves there, and allow the suspension of these seed-bed planks vertically.

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