Machine drawing; a practical guide to the standard methods of graphical representation of machines, including complete detail drawings of a duplex pump and of a direct-current generator (1914)
Griffin, Charles Lewis, 1867-, Adams, Charles Clyde, 1882- joint author · Chicago, American technical society · leaf 131
Fig. 101. Reversible Quarter-Twist—Two-Guide Pulleys have one common central plane, arriving at C, a point in thetrace of the central planes of M and P, and from leaving point Cto receiving point E. It will be noted that the center line of beltconnecting both leaving and receiving points is always…
Machinery
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