coration, an excellent oppor-tunity is now afforded. (Kotrespotttience. Sir,—In No 54, Query 8, a correspondentwishes to know how to cut the circumferenceof a large circle, a portion equal in length to thecircumference of a smaller circle. I enclose thefollowing solution, which I believe will… … Construction :—Let the circle a b c d beanysize; set the radius of the smaller circle fromD to L ; then, with the same radius d l, describetlie semicircle D E F; then erect the perpen-dicular K E, join F E, and produce it to c ; thenshall the perimeter of the arc d g be equal tothe arc d e of the…
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-215-131.webp)
