Shaw's Civil architecture; being a complete theoretical and practical system of building, containing the fundamental principles of the art (1852)
Shaw, Edward · Boston, J. P. Jewett · leaf 59
n the circle, viz., C i, i k, k I, IB,will be respectively equal to their correspondingdivisions, E I, I K, K L, L B, on the tangent lineE F; that is, to k i, and I E equal to i C. PROBLEM XLI. To find the length of any arc, A C B, of acircle. 1. Draw the chord A B indefinitely towards E, andbisect… … Ill ll„- l.ll|,,M.
Architecture · Building
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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-401-278.webp)
