A treatise of comets

containing I. An explication of all the various appearances of the late comet, both in its own trajectory and the firmament of fixt stars, to its setting in the sun-beams: illustrated with a plan of the earth's and comet's orbits. II. The history of comets from the earliest account of those kinds of planets, to the present time; wherein the sentiments of the antient and modern philosophers are occasionally display'd. With remarks on the intentional end of comets, and the nature and design of Saturn's ring. III. The distance, velocity, size, solidity, and other properties of those bodies consider'd; and the wonderful phænomena of their tails and atmospheres accounted for. Illustrated also by a copper-plate.

by Smith, George

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