Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 522
are transferred the length of their faces right and left; and as the sectors are edge shaped at their centraof motion o o, they necessarily revolve free from the impediment of rubbing surfaces, and consequentlywithout friction. When the eccentric wheels have made their revolution, the follower will… … Another combination consisting of eccentric sectors with a centre roller, or it may be made withplain sectors and eccentric roller, constitutes another form of the press which is well adapted to purposesrequiring but little movement or traverse of the follower. A A, Fig. 3104, are two eccentric…
Mechanical engineering · Mechanics · Engineering
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