entres, and with anyradius, describe arcs intersecting each other inE; from the same centres a and b, with anyradius less than the former, describe arcscutting each other in n. Through e and ddraw E c, which will divide A b into two equalparts. PROBLEM II. To divide a given arc, b a, into two equal… … Obs.—Bisect, bisection, are derived from theLatin words, bis, twice, and seco, to cut. Tobisect is to divide into two equal parts, and suchdivision is called a bisection. {To be continued.) Singular Method of Building PractisedBY THE Moors.—Temple, in his Excursionsin the Mediterranean, gives the…
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-331-222.webp)
