Traité Analytique des Mouvemens apparens des Corps célestes. Achille Pierre DIONIS DU SÉJOUR.

“Le Plus Grand Ouvrage d’Astronomie Analytique”–Lalande

Traité Analytique des Mouvemens apparens des Corps célestes.

Seven folding engraved plates. 2 p.l., xxxx, 738 pp., 1 leaf of errata; 2 p.l., lvi, 680 pp. Two vols. Large 4to, attractive cont. marbled sheep, flat spines richly gilt, green morocco lettering pieces on spines. Paris: la Veuve Valade, 1786-89.

First edition and quite scarce on the market. “From 1764 to 1783 he [Dionis] wrote a series of important memoirs on the application of the most recent analytic methods to the study of the principal astronomical phenomena (eclipses, occultations, reductions of observations, determination of planetary orbits, etc.). Revised and coordinated, these memoirs were reprinted in the two-volume Traité analytique des mouvements apparents [sic] des corps célestes (1786-1789), of which Delambre gives a detailed analysis…All these works are dominated by an obvious concern for rigor and by a great familiarity with analytical methods…their reexamination in the light of present possibilities of calculation would certainly be fruitful.”–D.S.B., IV, p. 107.

A most attractive set.

❧ Lalande, p. 599–“Le plus grand ouvrage d’astronomie analytique.”.

Price: $9,500.00

Item ID: 4837

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