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
t be horizontally projected inADBG. Hence, this circle is the horizontal projection of therequired curve. 64 (2). When a plane revolves about any line in it as an axis,every point of it, not in the axis, moves in a circular arc, whoseradii are all perpendicular to the axis. The representation of…
Geometrical drawing · Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
