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 133
ion. WTe now have two lines, MB and ME (shown respectivelyby their two projections, MvDv—MhDh and MvEv—MhEh), whichdetermine the plane of the guide-pulley and which are practicallythe center lines of that part of the belt which passes over the guide-pulley, and our problem is one of projections.… … Fig. 102. Reversible Quarter-Twist—One Guide Pulley this plane about one of its traces until it is parallel to the plane ofthe paper, so that the true angle between the lines will be shown; MACHINE DRAWING 121 then draw the guide-pulley tangent to the lines in their revolvedposition, and revolve…
Machinery
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