ndays and Thursdays, and weearnestly recommend our readers to pay themfrequent visits. _ The pupils of the variousSchools of Design have now a good oppor-tunity of improving themselves in this depart-ment, as Botanic Gardens are now open inEdinburgh, Glasgow, Birmingham, Leeds,Sheffield, Liverpool,… … Mark any three points a, b, c, on the givenarc A c ; join them by the right lines a b, b c ;bisect these lines by the perpendiculars d o,E o. The point of intersection o will be thecentre, and o a, o b, or o c, will be the radiusfor describing the circumference required. PROBLEM XVI. To draw a…
Design · Decoration and ornament · Art
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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-59-35.webp)
