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
f the Tropical Year, gives the quanti-ty of the Sydereal Year, which confifts of theTropical Year, wherein the Sun departing froma point of the Ecliptic returns to the fame, thathas in the mean while moved a little way forwardsto meet it, and of that befides wherein the Sundefcribes that arc thro… … /c^
Astronomy
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