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 66
Fig. 85. Here take A 4 to left, bisect it in G; describe semi-circle, and complpt^ oblong APQB; join GP, GQ, cuttingcurve in P, S ; dviw RF, SH _;_ to AB ; join A C.Y. Erectat A the peri^-^ndicular AC = AB, and bisect it in X; joinC C. Y., X r. 7., also F MP, G MP, H MP, B MP. At pointsof section… … 62 DRAWING. Here take OA, OB, each = 2; upon AB describe squareACDB; bisect BD in E, and draw EM parallel to CD;describe semicircle and find points F, G, as already shown.Make BK = BD, BH = BE and KL = DE; join L MP,K MP, etc.; also A C.Y., G C.Y., etc.; and on eight pointsthus formed describe…
Geometrical drawing · Perspective
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