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 100
?, of the diflference betweenpolished and dull surfiices; and, second^ between the case of lightcoming wholly m one direction, or principally in one direction. Ifthe cylinder CC, considered as perfectly polished, were deprived ofall reflected light from the air and surrounding objects, the line…
Geometrical drawing · Mechanical drawing
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
