. The manner of drawing it is to place thepoint of the compasses on the perpendicularline at a, and to strike the semicircle asjdotted; should the bend not require to be soIgreat, take any point higher up on the samelline, and it will give the desired form ; but atjthe same time care must be taken… … Fig. 7. To draw a side view, first form two squares,and then divide them into two parts eachway ; the point of the compasses must now beplaced at a, and the semicircle b b struck; fromthe point e then strike the arc //, and fromthe point g strike the semicircle h h. To forma perspective or…
Design · Decoration and ornament · Art
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
![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-402-279.webp)
