Hummel, J. J. (John James), d. 1902 · London : Cassell · leaf 114
rake or grating, which the recipro-cating rakes intersect; its purpose is to prevent a toorapid forward progression of the wool. By the move-ment of the rakes, the wool is well worked in the scouringliquid and carried gradually to the other end of thetrough. It is there lifted out by a swing rake c…
Dyes and dyeing
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