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 324
ifing, on the faid two Days very nearly. Let this Alteration,therefore, be now represented byOi, fuppofmg HRO to be [ 159 3 be the Horizon, PH the Meridian, PRand PO Complements of Declination,at the Times abovementioned ; and letthe Cofine of the Latitude (PH) bedenoted by b: Then it will be as… … -bb . : ^jV\^f^ iph) : -M}r^^^)Q^^ ^ R^ but as y ^a^z . J . . dyV■^—xxy(.^/l—hb ^ _d^^j—xx-A^T—rb V • • • ^x^d^x-y^^/b^—d-x-- i-^d^x^b^^^d^ = the Arch of the Equator, meafuring the Angle RPO, orthe Difference of the Semi-diyrnal Arches of the Sun on thetwo Days above fpecified. This Difference…
Celestial mechanics · Calculus · Astronomy
Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Examen dv livre des Recreations mathematiqves, & de ses problemes en geometrie mechanique, optique & catoptrique [du J. Leurechon] Où sont aussi discutées & restabiles plusieurs experiences physiques y proposées (1639)](https://img.insideoutlibrary.com/img/200/ia-examendvlivredes00mydo-232-38.webp)
