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 42
ELEMENTARY INTERSECTIONS. 25 Let AB—ab, the longer axis of the curve, 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, d\ <fcc,…
Geometrical drawing · Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
