A London encyclopaedia, or universal dictionary of science, art, literature and practical mechanics : comprising a popular view of the present state of knowledge : illustrated by numerous engravings, a general atlas, and appropriate diagrams (1829)
Curtis, Thomas, fl. 1820 · London : Thomas Tegg · leaf 383
pole of A B H, E the 1-2-3 ■ 1-2-3-4-5— &c. As an example of the application of Lag-granges theorem, let it be required to express theeccentric anomaly of a planet, in terms of theascending powers of the eccentricity of theorbit. If y denote the eccentric anomaly, not themean anomaly, and e the… … pole of C G I, and C the pole of E D I; let thepositions of these circles be conceived to beinvariable, while another great circle revolvesabout F; let C71 and Ed be perpendicular tomd, the revolving circle. Then in the rightangled triangle ABC, the angle A will be con-stant, and the other parts…
Encyclopedias and dictionaries · Aeronautics
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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-61-37.webp)
