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Lot #80An Easy Introduction to Astronomy, for Young Gentlemen and Ladies: Describing the Figure, Motions, and Dimensions of the Earth; the Different Seasons; Gravity and Light; the Solar System; the Transit of Venus, and its Use in Astronomy; the Moon's Motion and Phases; the Eclipses of the Sun and Moon; the Cause of the Ebbing and Flowing of the Sea, &c.