Industrial drawing and geometry; an introduction to various branches of technical drawing (1911)
Spooner, Henry John, 1856- · London, New York [etc.] Longmans, Green, and co. · leaf 167
Fig. 501.—Development of cube. Fig. 502.—Development of octa-hedron. Fig. 503.—Development of dodecahedron. circle; but, of course, that is not so exact. Number the divisions, as shown, and draw the vertical lines from the divisions tointersect horizontal lines from the points in the joint line cd…
Mechanical drawing · Geometrical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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