(Paris, Didot, 1818). 4to. Uncut, no wrappers as ectracted from ""Mémoires de L'Academie Royale des Sciences de L'Institut de France"" Année 1816 - Tome Ier. Pp. 71-186. Clean and fine.
First appearance of a major work on water waves (Poisson's first memoir on the subject), in which he derives the Fourier integral in about the same manner as Cauchy when he set up the general hydrodynamical equations.