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 110
our purpose we will select the long-est. At the lower end strike an arc equal to X-2 onthe sectional view of the roof plane. With center at2, Fig. Ill, and radius equal to the length of the firstdiagonal 1-2, intersect the small arc 1-2. Smallarcs are equal to C-D. With center 2 and radius1-3… … Fig. 112 108 A PRACTICAL COURSE IN Problem 21.—Select a kitchen utensil which pri-marily must be laid out in pattern and make a develop-ment to scale. A dust-pan, roasting-pan, coffee-urn,colander or coal scuttle is suggested. Use any method
Mechanical drawing
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