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 98
Fig:. 97 Fiif. 99 … Fig:. 98 96 A PRACTICAL COURSE IN dimensions. Construction: Obtain the projectionsand sectional view as in Problem i. To obtain thedevelopment it is necessary to know the slant heightof the pyramid. The exterior edges are parallel to thevertical plane; therefore, their true lengths must beseen at…
Mechanical drawing
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