A practical course in mechanical drawing for individual study and shop classes, trade and high schools (1912)
Willard, William Franklin, 1879- · Chicago : Popular mechanics company · leaf 121
Fig. 122 as given in Fig. 124, one-half to be developed bytriangulation. This is one of several practical prob-lems to be derived from a study of the locomotive forpurposes of developments. The steam-dome, sand-dome and smoke-stack are other illustrations of rightcylinders penetrating the outside… … Fig. 123 MECHANICAL DRAWING 119 Problem 8.—Draw the front elevation of the tran-sition piece and develop by triangles or the method sug-125. gested Fig.
Mechanical drawing
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