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 122
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. … Fi^. 124 Problem 9.—A regular vertical triangular prism,with a perimeter of 10^2 and 4 altitude, has its frontface inclined backward and to the left at is. A right 120 MECHANICAL DRAWING square prism of 6^ perimeter and 4 altitude pene-trates the former. Axes of both soHds intersect attheir center…
Mechanical drawing
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