The elements of astronomy, physical and geometrical (1715)
Gregory, David, 1659-1708, Halley, Edmond, 1656-1742. Synopsis of the astronomy of comets, Adams, John, 1735-1826, former owner. BRL, Boston Public Library (John Adams Library) BRL · London : Printed for J. Nicholson ... and sold by J. Morphew ... · leaf 45
forethe difappearance of the Comet • its apparentMotion being at that time flower, and theEarths Motion proportionably greater, withwhich the Spedator is carried. The Latitude of the Comet like wife, ceterisparibus^ is varied by the diiFerent Situation of theEarth, it being greater in Oppofition ;… … Bookl. o/AstronoMy, 19 Section II.Of the Direftion of the Forces, which re-tain the Primary Planets in their Orbits. Proposition XL IF a Body he moved according to the DireElion ofany given right line as A Zj [Fig. il.] and atthe fame time be urged by a Centripetal Force tending towards a certain…
Astronomy
Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.
