172

Astronomy.

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its annual Motion passes round by a ~ { j,eon which is engraved a Calendar, a ° d ^Ecliptic ; and the Plate which carri gS ^Earth about has an Index on the °PPPart from the Earth, to shew the a PP^r 1Place of the Sun in the Ecliptic , so 1 e . t jj 6Day of the Year; and one Turn 0 ^ pWinch carries the Earth once rou^^^Axis, and the said Index over the Sp a ^5one Day in the Calendar: So that bf ^means the true Place of the Earth,apparent Place of the Sun, also the 1 ^and Phases of the Moon, may be seashewn for any Day required.

The Orrery-Part , containing the ^ ^Work , is placed within a large and rno" ptiful Armillary Sphere, which ^about upon its Axis, with a fairly- eI1 ^ 0 4'and silver’d Horizon, which is alsoable every way upon a most elegant ^ £ ;Supporter, with four Legs richly ^ r ° U jat the Bottom of which is a nobsofilver’d Plate, with a Box and ^

bright Star of Aries , for Instance, which inTime was near the Vernal Equinox, is n 0 ^near a whole Sign or 30° Eastward, and'is ^ JstlKginning of Taurus « , and Taurus is got lnto r ,Lc ^and thus all the Constellations of the ‘ flS rchanged their Places, and possess different o'vwhat they formerly did.

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