Barrow, Isaac, 1630-1677, Child, J. M. (James Mark), tr · Chicago, London : The Open court publishing company · leaf 163
them forth in this place. I think,too, that they are in other respects not without interest. 2. Let us assume the following as known theorems; ofwhich the proofs may be deduced in various ways fromwhat has already been shown, without much difficulty. If BAE is a paraboliform curve, whoseaxis is AD… … Fig. 133- * The definition of Lect. VII, § 12, uses N/M ; the value of TD/AD isfound in Lect. IX, § 4 ; where also the definition of the paraboliforms isgiven. Now it is clear from the adjoining figure thatif AHLE is a paraboliform, whose exponent isrls{ = \la say), then LK/HK = a . LM/AM ;…
Geometry
Internet Archive · Boston College 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-349-240.webp)
