The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 326
steam-engines.—Granted January 21; Enrolled July 21, 1847. [Reported in the Patent Journal.] This specification is accompanied by a diagram (see the figure)illustrative of the principle on which the rotatory engines are to beconstructed. A, B, C, D, is an ellipse, described with foci, E, and F,half… … ber=r 1-5); the focal distance is represented by O, E, and 0. F, = c,(= -524). A, K, H, L, is a circle described with centre G, and radius,G, A, which radius, = d, (= iof O, A,). X, Y, represents a circledescribed with centre, G, and radius G, O,^ e, (=5); the remainingparts will hereafter be more…
Architecture · Civil engineering · Science
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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-383-265.webp)
![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-299-194.webp)
