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 171
tractions, than if on any account, the fameLaws did not hold ; and the common Center ofGravity of the Bodies P, X, /, a, will defcribean Orbit whofe Focus is in the common Centerof Gravity of all the inferior Bodies ^ asinC<7r,Trof. J 6. Proposition LXIIL BT reafon of the mutual aBion of the… … D -1
Astronomy
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