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 169
viders equal to the edge cd. Join Aci and A6i; then the figure cAcibidb is the development of the solid. And on the same lines 150 INDUSTRIAL DRAWING AND GEOMETRY you will now be able to treat a square pyramid as in Fig. 513, or a frustum of it, as in Fig. 514. To complete the development inFig.… … Fig. 512.—Development of atriangular pyramid. PiQ. 513.—Development of a square Fig. 514.—Development of the frustumpyramid. of a square pyramid. EXERCISES. 1. A square elbow is formed by two 3 pipes intersecting, as in Fig. 490. Draw the arrangement to a scale of half-size. 2. A conical ventilator…
Mechanical drawing · Geometrical drawing
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