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 599
B. The periphery of this wheel is divided into fourteen equal parts, and is cut so as to have onit thirteen tooth-like projections ddd\ Fig. 3256, the part d occupyhig two of the fourteen divisions,leaving twelve, dd, equal in size. Each of these projections operates as a cam in causing the cutter… … Bufficient for screws of ordinary size. To the cutter-slide G is attached a hardened steel bearing-piece n,the upper eud of which is in the form represented, and is kept in cont.ict with the projections dd oi thecam-wheel; this wheel, therefore, by its revolution, wUl depress the slide and cai-ry…
Mechanical engineering · Mechanics · Engineering
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