An essay towards a history of the principal comets that have appeared since the year 1742 [Microform] : including a particular detail of the return of the famous comet of 1682 in 1759, according to the calculation and prediction of Dr. Halley : compiled from the observations of the most eminent astronomers of this century : with remarks and reflections upon the present comet / to which is prefixed, by way of introduction, a letter upon comets, addressed to a lady by the late M. de Maupertuis ; written in the year 1769
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