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Knight's Mechanical Encyclopedia (ed. Knight) 2 0 Browse Search
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ry boiler with cylindrical concentric strainer and hollow trunnions, for treating paper-stock. Gelston Sanford, New York. Pulper with conical ribs and serrated rubbers. A. Randel, New York. Rag-machine with differential rolls, shredding cylinder, and spiked concave. A. S. Lyman, New York. Separating fibrous matters by subjecting them in a close vessel to the action of an apparatus for beating, rubbing, grinding, or picking, and water at high temperature and pressure. 1863. E. G. Rutledge, Dayton, O. Creating a current in the vat in the direction of the pulp-cylinder. J. F. Jones. Means for conveying away water from the interior of the making cylinders through hollow journals. John Cowper, England. Rag-mill comprising endless feeder which feeds the material to fluted rollers that deliver it to a toothed rotating cylinder. J. F. Jones, Rochester, N. Y. Machine by which a number of continuous webs may be made, or they may be united to form pasteboard. M. L. Kee