Fairbairn, William, Sir, 1789-1874 · London, Longman, Green, Longman, Roberts & Green · leaf 110
ox ENGAGING AXD DISENGAGING GEAR.Fig. 218. 85 … Fiff. 219. pulley on the shaft h; but a tightening pulley fixed on a suitablelever e is forced against it by pulling the rope c, which bends thestrap tightly upon the pulley b, and gives motion to the machine.This arrangement is in general use for sack teagles in corn mills,and for some other…
Mills and mill-work · Machinery
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