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KMbLEMs

THE

DESCRIPTION and USE

OF THE NEW

Celestial and Terrestrial

Q

F the periphery of a semi-circle be

turned round its diameter as an

M St lO& axis, it will generate the surface ofa glqbe or sphere, and the center of thesemi-circle will be the center of the globe :it therefore follows, that as all the points inthe circumference of the semi-circle, are atan equal distance from its center, so all thepoints of a globe, thus generated, must bethe fame.

82. Any