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, artisans, etc. ... In five divisions .. (1868)
Warren, S. Edward (Samuel Edward), 1831-1909 · New York : J. Wiley & son · leaf 130
pen-dicidar projection., in which the object is, however, S€e7i obliquely,and in which each plane side of a solid right angle is, indeed,viewed with equal obliquity. Cabinet projection is a species of oblique projection. 7. Lines making angles of 45° with the vertical plane, may makevarious angles…
Geometrical drawing · Mechanical drawing
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
