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 60
wn in the figure, will jorevent all ofthese movements except rotation about the bolt as an axis. Twoor more bolts will prevent this latter, and consequently, all move-ment of either of the beams ujDon the other. A bolt, it may benecessary to say, is a rod of iron whose length is a little…
Geometrical drawing · Mechanical drawing
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
