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 479
/c^ … Book IIL of A s T R o N o M Y. 411 Proposition XIV. THree places of the Sun^ determined hy Prop, lo,B. z. and the VeriodicTime of the Earthy whichis Very nearly equal to the Syderial Yecir^ determined bythe f read. Prop, being given^ to find the Species ofthsOrbit of the Earthy the Situation of the…
Astronomy
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