Perspective and geometrical drawing : adapted to the use of candidates for second and third-class teachers' certificates (1887)
McGuirl, Thos. H. (Thomas H.) · Toronto, Ont. : W. Briggs · leaf 87
d, whosebases are 6 and 4 square, respectively ; the frustum touchesP.P. 4 to right, height 4. (Fig. 49.) From the above the method of drawing may be easilyunderstood. Example 2.—A pyramid with square base, each side ofwhich is 4, stands on the ground plane 4 to the left, touch-ing P.P. The pyramid… … Fig. 50. By a careful observation of the lines drawn above, themethod may be easily seen. FRUSTA. 85 Exercise XII. (H. = 6, L.D. = 4, scale J* = l.) 1. A pyramidal frustum with square base, and verticalheight 4, touches P.P. 4 to right, resting on ground plane ;the sides of the square are 3 and 5…
Geometrical drawing · Perspective
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