Science and art drawing : complete geometrical course ; consisting of plane and solid geometry, orthographic and isometric projection, projection of shadow's the principles of map projection, graphic arithmetic and graphic statics (1895)
Spanton, J. Humphrey (John Humphrey) · London : Macmillan · leaf 258
they meet lines drawn from the correspondingpoints in the plan (Fig. 40), parallel to XY. The intersection of CHAP. XX OCTAGONAL PYRAMIDS, CONES, AND CYLINDERS 237 these lines give the required points, by joining which weobtain the plan. Peoblem 31. To project the same solid resting on one of its… … Fig. 40, angle of 30° with XY, and equal in length to hn (Fig. 41).Complete the elevation from Fig. 41. In any convenient position draw the line DG perpendicularto XY, and set off upon it the distances D, E, F, G equal toh, I, m, n (Fig. 41). Draw lines from these points parallel to XY.From the…
Geometrical drawing
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