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 117
ven points; join them to form a tri-angle; with centre A, and distance greater than half of AC,describe an arc; with centre C and same distance, describe anarc to cut former; join points of section of arcs; this line willpass through the centre of the circle; draw similar arcs onAB, and join points… … Fig. 78. Let BACD be a circle or arc; draw any two chords AB,CD, and draw arcs EF and GH, bisecting the chords, respec-tively; join EF and HG and produce them to meet in K;then K will be the centre, and if K and D be joined, KDwill be a radius, and a circle may be thus described with itwith the…
Geometrical drawing · Perspective
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