Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 156
Fig. 276. ORTHOGRAPHIC PROJECTION. 139 … To describe the curves formed hy the intersection of a cylinder with thefrustum of a cone^ the axes of the tivo solids cutting each other at right angles(Fig. 277). The projections of the solids are laid down in the figure precisely as in thepreceding example. The intersections of the outlines in…
Mechanical drawing
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