Audsley, W. (William), 1833-1907, Audsley, George Ashdown, 1838-1925 · London ; Glasgow ; Edinburgh : William Mackenzie · leaf 520
Problem XII. — To draw a tangent to a circle through a given point. There are several varieties of this problem, depending upon the positionof the given point, and the accessibility of the centre. First.—When the point is outside the circumference, and the centregiven. 1. Let p (fig. 21) be the…
Architecture, Domestic · Architecture, Gothic
Internet Archive · Getty Research Institute · 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-201-122.webp)
