Elementary mechanical drawing, for school and shop (1886)
Aborn, Frank, 1845- [from old catalog] · Cincinnati, New York, Van Antwerp, Bragg & co · leaf 109
he base, and 11 in. high. Make a drawingof a section, cutting the axis 5 in. from the top atan angle of 45°; scale, 2 in. to the inch. CHAPTER X.—Foreshortened Dimensions. A Foreshortened Dimension is a dimension thatis parallel to neither its plan nor its elevation. Prob. 1.—Make a constructive… … Solution.—Let ABDC (Fig. 129) represent thepyramid pictorially, and itwill be seen that each hip isthe hypothenuse of a right-angled triangle, of which theother two sides are the planand the pitch. The prob-lem, then, is to describe thistriangle, and by so doing geta line that represents the…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
