. Fig. 2. .^ is a double row of coarse wire screens; B apron of fine wire cloth -, C pan to receive the eggs; D screen ; E catch to hold screen D when raised. A screen, intended to prevent the fish from running beyond the race or getting into the lower part of the box, may extend to the bottom, or be arranged differently ; a screen placed at the front of the box is also intended to prevent the fish from getting below. When the eggs are to be taken, this screen is raised on hinges to an

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Photo credit: © The Bookworm Collection / Alamy / Afripics
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Keywords: ., bookauthorstoneliv, bookcentury1800, bookdecade1890, bookyear1896