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 78
ivi-ded into an indefinite Numberof indefinitely fmall Lamince,by circular Planes perpendi-cular to the Axis KC, andequi-diflant from each other;and let A^BSA be one ofthofe Lamince^ included be-tween any two adjacent Planes,and n be the Thicknefs thereof, or the common Diflanceof the faid Planes;… … (66 ) with m O , the Diredion of its Motion, or the Incidence of theParticles it flrikes againft : Therefore, fince the refifling Forceof the Medium, on any Surflice the Velocity being the fame, isas the Number of Particles falling thereon, and the Square ofthe Sine of their common Incidence…
Celestial mechanics · Calculus · 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-340-231.webp)
