Astronomical tables with precepts, both in English and Latin, for computing the places of the sun, moon, planets, and comets (1752)
Halley, Edmond, 1656-1742, Adams, John, 1735-1826, former owner. BRL, John Adams Library (Boston Public Library) BRL · London : Printed for William Innys ... · leaf 84
t P B H, C H the lefferSemiaxis, P A a Circle circumfcribing the Ellipfis, and S the Focus; whence P S isthe perihelion diftance, and C S the Excentricity of the Orbit. Let the place of theComet be in B, from whence draw B D an Ordinate to the Axis, which producedmay meet the Circle in A, draw the… … Area P S AP is to the Area of the whole Circle, and Jikewife P S BP to the Areaof the whole Ellipfis, as the time in which the Comet deicribes the Arc B P to theperiodic Time of its making an intire revolu-tion in the Ellipfis. But the Area P S A P iscompofed of the circular Segment A PA andof the…
Astronomy
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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-265-170.webp)
