Perspective and geometrical drawing adapted to the use of candidates for second and third-class teachers' certificates (1887)
McGuirl, Thomas H. [from old catalog] · Toronto, W. Briggs; · leaf 89
sebases are 6^ and 4 square, respectively; the frustum touchesP.P. 4^ to right, height 4. (Fig. 49.) Prom the above the method of drawing may be easilyunderstood. Example 2.—A pyranaid with square base, each side ofwhich is 4, stands on the ground plane 4^ to the left, touch-ing P.P. The pyramid is… … Fig. 50. By a careful observation of the lines drav/n above, themethod may be easily seen. FRUSTA. 85 Exercise XII. (H. = 6^ L.D. = 4; scale Y = !•) 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 6…
Geometrical drawing · Perspective
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.