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 128
t angles to each other, divideeach quadrant into the same number of equal parts, and joinopposite points ; draw perpendiculars from the outer pointsand horizontals from the inner points to meet them ; thusdraw perpendicular from H and horizontal from a to meetin 1; similarly hnd 2, 3, 4, etc., all… … Fig. 96. Let AB be the given diameter; divide it into four equalparts in G, M, D; with centre D and distance DG describearc EF, and with centre G and same distance describe arcs tointersect in E and F. Join FG, FD, EG and ED, and producethem to the circumference in C, H, K and L respectively.Then…
Geometrical drawing · Perspective
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