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 83
RAWING. Ttie Pyramid. We now come to consider solids, which are not wholly rec-tangular; they are cones and pyramids and their frusta. In speaking of the height of a pyramid or cone, we meanthe distance from the vertex perpendicularly to the base,yhis is important, especially in frusta, where the… … Fig. 47. Take A, 4 to right and B, 4 to right of A; complete thesquare ABDC; draw diagonals intersecting in O; join O with THE PYRAMID. 79 C.Y. and produce it backward to meet base line in E; at Eerect perpendicular, 8 in height to M; join M C.Y.; throughO, draw OX, parallel to EM; join XA, XB, XC,…
Geometrical drawing · Perspective
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
