Ames, William L. (William Lewis), 1855-, Wischmeyer, Carl · New York, McGraw-Hill book company, inc.; [etc., etc.] · leaf 115
to both the planes. The first step in the solution of the problem, after themain pulleys have been located, is to select the position ofthis point lying in the planes of both pulleys. It may betaken at any convenient height, but not too close to either A. or B. In Fig. 190, plane S is the mid plane… … Fio. 190. PBACTJCAL APPLICATIONS 105 pulley. This may or may not require the revolution ofthe mid planes of the pulleys into V or H, according as thepulleys are or are not oblique to V and H. In the figure,plane 3 has been revolved into V and plane 4 into H inorder to draw lines C and D. The plane…
Geometry, Descriptive
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