A manual of elementary geometrical drawing, involving three dimensions. Designed for use in high schools, academies, engineering schools, etc. : and for the self-instruction of inventors,artizans, etc. ... In five divisions .. (1867)
Warren, S. Edward (Samuel Edward), 1831-1909 · New York : J. Wiley and son · leaf 40
III. A., Fig. 1. Let the cylinder, ADBG—AB, be vertical, and the cuttingplane, PQP, be perpendicular only to the vertical plane. Allpoints in such a plane must have their vertical projections (that is,must be vertically projected) in the vertical trace, QP, of theplane, but the required curve must… … ELEME)^JTAEY INTERSECTIOlSrS, 25 Let AB—ah\ the longer axis of the cnive, and which is parallelto the vertical plane of projection, be taken as the axis of revolu-tion. The curve may then be revolved till parallel to that plane,when its real size and form will appear. Then, at c, (?, &c.,…
Geometrical drawing · Mechanical drawing
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