Teacher's manual for Prang's new graded course in drawing for Canadian schools (1901)
Toronto : Gages · leaf 83
ith G and J ascentres, vand a radius greater thanGJ, draw arcs intersecting in L.Draw a line from L through I tothe opposite part of the circumfer-ence. Bisect GI. With I as a centre,and a radius equal to half of GI,describe a circle. Study the figui-e as in the pre-ceding problems :— What is the… … prangs new graded course in drawing. 79
Drawing
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![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-361-254.webp)
