Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 460
nd in al are of this vessel the beating or triturating roll /, I, ith the blade or roll-bars ee, Fig. 2997. The roll i- mounted up d a -bait 1<I, on. i nd of which is placed in a ; other in a bearing upon the arm or which is supported by it- fulcrum, at tl 1 of which i- placed in a pedestal or… … 454 PAPER MACHINES. the required number of revolutions for beating; and to be raised and retained, as required, for the finalpurpose of clearing the pulp. The upper or working edge of this cam is to be shaped exactly accordingto the action required by the engine-roll; as, for instance, suppose the…
Mechanical engineering
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