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 274
ints ^, b^ r, of thepropofed Curve, or rather, to avoid confufing the Figure, letthat Curve itfelf reprefent a Portion of fuch a Parabola; join A andC with a Right-Line, and make S 3 T parallel thereto, produ-cing A /sr, and C <r to meet S /5 T in S and T, and drawing v mfrom any Point v, in… … [no] and S^, will be - of the Parallelogram bra^b, for the fame 3 Reafon that a Pyramid, whofe Sedlions made by a Plane pa-rallel to the Bafe, are in a duplicate Ratio of their Diftances from the Vertex, is known to be - of its circumfcribins; Prifm. Wherefore, feeing B^ x 2 A B is equal to the…
Celestial mechanics · Calculus · Astronomy
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