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 137
Fig. 135 134 A PRACTICAL COURSE IN A. When all of the longer diagonals are used addplanes B and C, and then add the diagonals laid outon the left of OP. The plane D is bisected to showa symmetrical development. … Fig. 136 Problem lO,—Fig. 137 is the layout and workingdrawing of the base of a smokestack. The top ofthe base is circular in shape while the ends are semi-oblique cones.- Make a development of ^ thelateral surface similar in shape to Fig. 136, scale iequals i^-o. In this problem it will be…
Mechanical drawing
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