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
Develop the pattern for the base of ablower from dimensions given in Figs. 122 and 123.The right and left sides of this base are ellipticalcylinders, that is, are not circular in cross section. Thetrue size of the cross section cut by plane Tt is show^nat X in the plan. This is the line of… … 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…
Mechanical drawing
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