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 388
es with the Axis of theWorld, is diftant from the plane i m y, bythe right line FS: And fince the diftanceof the Sun is lookd upon as Infinite, any given ,Right line as TS^ vaniihes in refped of it, andthe parallel Planes paffing thro IMC, imy,are efteemd as very near one another; and theportions… … Book 11. of A s T R o N b m y. 3 3 5 the part of the Spherical furface which thefeportions take up (being infinitely fmali in com-purifon of the whole) is to be lookd upon as aPlane. In the Polar plane then, having found ( bytrop. 42. J the Subftyle, ered the Style of anybreadth taken at pleafure,…
Astronomy
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