Essays on several curious and useful subjects, in speculative and mix'd mathematicks : illustrated by a variety of examples (1740)
Simpson, Thomas, 1710-1761, Adams, John, 1735-1826, former owner. BRL, John Adams Library (Boston Public Library) BRL · London : Printed by H. Woodfall, jun. for J. Nourse ... · leaf 20
egrees,) fo is r^ to ^ °°^\ ^ ^ ° 3.14159,^^, (the Number of Seconds in the Angle rfn\) and as 3.14159(^c.: 648000 :vrsb\ ^_°° ^^ = nfm: Therefore, asthe Earth moves from r to p while a Partiele of Eight is de-fcribing fj\ it is manifefl from the aforefaid Propofition,that the Star will appear… … HENCE if C be the true Place of the Star, SCF itsParallel of Latitude; and about Q as a Centre, the EI-lipfis F P S T F, and Circle F H S O F be defcribed fo, that- FC may be =-^^^^^^ and T C, the Semi-Conjugate Axis, in proportion thereto^ as j to 15 and if the Angle SCHbe taken equal to the…
Celestial mechanics · Calculus · Astronomy
Internet Archive · Boston Public Library · 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-151-85.webp)
