The mathematical principles of natural philosophy (1803)
Newton, Isaac, Sir, 1642-1727, Motte, Andrew, d. 1734, Davis, William, 1771-1807, Emerson, William, 1701-1782, Machin, John, d. 1751, Newton, Isaac, Sir, 1642-1727. De mundi systemate. English · London, Printed for H. D. Symonds · leaf 95
metry is manife/l. LEMMA V. To find the latitudes.On TF, TR^ TG^ as radiufes, at right angles ere6l: Ff, RP,Gg, tangents of the obferved latitudes; ^id parallel to fgdraw PH. The perpendiculars rp, ^73, meeting PH, will bethe tangents of the fought latitudes to Tr and T^ as radiufes. PROBLEM I.… … places of the comet in its trajectory, fo as the diftances inter-pofed betwixt place and place may anfwer to the motion ofone hour ; pr, PR, ij^^ perpendiculars let fall on the plane ofthe ecliptic, and rR^ the veftige of the traje6tory in this plane.JoinSp, SP;S57;SR,ST, tr^TR, t^^TP; and let…
Mechanics · Celestial mechanics
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