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 159
nrH^urhliimfpfalilfttt lEOX COXSTRUCTIONS. 121 I. The remaining circles and larger hexagon, ii\ of this portiouof the plan, have the intersection of the centre hnes for a centre; andmay be drawn by measurements independently of the elevation, orby projection from the elevation, after that shall…
Geometrical drawing · Mechanical drawing
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
