Notes on practical mechanical drawing, written for the use of the students in general engineering drawing in the University of Illinois (1907)
Wilson, Victor Tyson, 1864- [from old catalog] · State College, Pa., The author · leaf 96
as d, draw parallelsto be and bA, and from where the parallels to be intersect Irregular Curves and Geometrical Drawing 87 the other Hne in c^ draw a parallel to cA. f, a vertex of thetriangle formed, will be another point in the required line. 30. The conies. The conic sections, or simply conies,… … revolution is a cone formed by one line revolving aboutanother, which it intersects, and with which it maintains aconstant angle. If such a cone (see Fig. 16) is cut by a plane perpendic-ular to the fixed line, or axis, as a—a, the shape of thesectional plane will be a circle. If the cone is cut by…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
