‎LAPLACE, (PIERRE SIMON). - PROBABILITY AND COMETS.‎
‎Mémoire sur L'Inclinaison moyenne des Orbites des Cometes" Sur la Figure de la Terre, & sur les Fonctions.‎

‎(Paris, Imprimerie Royale, 1776). 4to. Extract from ""Mémoires de Mathematique et de Physique, Présentés à l'Academie des Sciences par divers Savans"", Année 1773. Pp. 503-540 a. 1 folded engraved plate. A few leaves with a faint dampstain in right margin. Otherwise fine and clean.‎

Reference : 44976

‎First printing of an importent memoir in which Laplace applied his work on probability to the study of the distribution of the orbital planes of comets in space, a remarkable work in mathematical- and physical astronomy. The memoir also deals with the figure of the earth.‎