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 54
C draw CE parallel to AY; draw also DWF parallelto AY. Join C C.V., A C.V., B C.V. and D C.Y. ; alsoL MP and K MP, cutting C C.Y. in X and P. ThroughN, P draw NT and PV : parallel to AB; join SP, PA. TYand VB. then STYBAP is the hexagon required. For PC = THE HEXAGON. 49 CK = CG, and NP = LK = GE.… … Fig. 28. Here take E 4 to left, and for plan of the hexagon wemay proceed as follows :—Bisect EQ (4) in Z, also EZ, QZin A, B respectively; with centre A and distance ABdescribe arc BC ; similarly, draw arc AD. Draw EC andQD, perpendiculars to AB at E and Q respectively, meetingarcs in C and D;…
Geometrical drawing · Perspective
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![An illustration from Divina proportione : opera a tutti glingegni perspicaci e curiosi necessaria oue ciascun studioso di philosophia: prospettiua pictura sculptura: architectura: musica: e altre mathematice: suavissima: sotile: e admirabile doctrina consequira: e delecterassi: co[n] varie questione de secretissima scientia (1509)](https://img.insideoutlibrary.com/img/200/ia-divinaproportion00paci-129-355.webp)