tment has ing knives pass between them, the mixing operation the mixing and grinding apparatus being combined been about upon a par with the mechanical. With proceeds rapidly. The mill is well arranged for con- so that the usual proportions of solid and liquid mat- such treatment the mills have not… … bended forms to the wood. Recently the same plan gether, and flow like other seeds. To meet this diffi- ground, in one continuous operation, and the addi- has been tried in Mercer county, Pa., on a large culty, Mr. Bacon has arranged two hoppers with tional expense of a mixer is saved; the…
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