Minutes of proceedings of the Royal Artillery Institution (1858)
Great Britain. Army. Royal Artillery Institution · Woolwich, Eng., : The Institution · leaf 462
414 MINUTES OF PROCEEDINGS OE represents the generating line drawn from a Eig. 3. x … (19) Now, the equation to the tangent drawn through the point xx yL of the circle x2 + y2 = rx2 is xxi + m = ri . . . (20) And substituting in this equation the values of xl and yx derived from (19), we obtain as the equations of the generator, xr1 cosL-^+ yrx sin ^ (j> — ^ = r±2} z — &r<p, . (21)…
Artillery -- Periodicals · Artillery -- Great Britain -- Periodicals
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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-390-270.webp)
