The knowledge of the heavens and the earth made easy: or, the first principles of astronomy and geography. Explain'd by the use of globes and maps with a solution of the common problems by a plain scale and compasses as well as by the globe / Written several years since for the use of learners.

Watts, Isaac, 1674-1748.

Date:: 1728

Credit: The knowledge of the heavens and the earth made easy: or, the first principles of astronomy and geography. Explain'd by the use of globes and maps with a solution of the common problems by a plain scale and compasses as well as by the globe / Written several years since for the use of learners. Source: Wellcome Collection.

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$tick Circle, and the South is the Antarffiick. Here I might mention the Five Zones by which the Antients divided the Earth, for they are a fort of broad Circles: But perhaps thefe may be as well refeiTd to the following Part of this Book. SECT. IV. Of the Foints. np H E mod remarkable Foints in the JL Heavens are thefe twelve or fourteen. i, and II, are the two Foies of the Earth or Heavens, (viz.) the North and the South, which are ever ftedfaft, and round which the Earth or the Heavens are fuppofed to turn daily as the Globe does upon thefe Iron Poles. Thefe are alfo the Foies of the Equator, for they are at 90 Degrees diftance from it. Prom one of thefe Foies to the other a fuppofed Line runs through the Centre of the Globe of Earth and Heavens, and is called the Axis or Axle of the World, III, and IV, are the Zenith, or Point juft over our Head; and the Nadir or the Point juft under our Feet, which may be properly called the two Foies of the Horizon, for they are 90 Degrees diftant from it every way, ' V, VI, VII, and VIII, are the four Cardi¬ nal Points of Ea(l, IVefl\ North and South : 1 Thde$