A course in mechanical drawing for evening schools and self-instruction (1896)
Rouillion, Louis · Boston, New York, The Prang educational company · leaf 43
iequal to the distances to each of the points found onthe side line of the cone, describe arcs cutting theelements of the developed cone. The process isidentical with that used in developing the cut of thecylinder, excepting that the points are projected byconcentric arcs in the case of the cone… … 36 COURSE IN MECHANICAL DRAWING. SHEET XIII. Development of Four-Piece Elbow. Draw the top and front views of a four-piece elbow,together with its development. The ellipses in the top view are obtained by pro-jecting the points of intersection of the joints in thefront view with the elements, to…
Mechanical drawing
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