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 58
and describe semicircle AGB ; THE OCTAGON DO join AG and GB ; with centres A, B, and distances equal toAG, describe arcs to cut AB produced in C and D : on CDdescribe square CDFE. With centre A and distance ABdescribe arc to cut CE in H; find P similarly; with centresH and P and distances equal to… … Fig. 32 56 DKAWJNG. Let AB = given side; take centre O, and with distance AOdescribe circle ACD ; draw diameter CD _J_ to AB. JoinCA and produce it. With centre A and distance AB describearc to cut CA produced in E; then draw EF _l_ to BA pro-duced, and produce FE, making EG=.EA, etc. (Fig. 32.)…
Geometrical drawing · Perspective
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