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Van Nostrand's eclectic engineering magazine (1869)
[New York : D. Van Nostrand] · leaf 551
ain the element of con- placed in frames and motion is given to tact, as this plane is parallel to both axes one of these it will be imparted to the PC and PD (Fig. 3). Now to fix the other by partly rolling and sliding con: position of P B we must know either the tact. numbers of revolution or the… … r ft r It appears then from (Fig. 3) that th© N and N, the numbers of teeth of the bodies of revolution of which P C and angle d is divided in such a maimer that the lines B D and B C, which represent PD are the respective axes. It is then the sines of /?, and (3 respectively are n : nx\ ;Nt : N,…Engineering
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