LEONHARD EULER'S LETTERS TO A GERMAN PRINCESS 1786-87.

Euler, Leonhard, (1707-1783). Leonhard Euler's letter to a German princess in several Physical and Philosophical Subjects I-III. 3 vol. Cong. Printing house, Stockholm, 1786-1787. Three 8vo volumes in contemporary marbled leather bindings with gilt spine decoration and red cuts. Finely marbled front pages. Vol. IN. (XII), XXXII, 316 p. , (IV) + 5 folding engraved plates. Vol. II. (XII), 360 p. + 3 fold-out engraved plates. Vol. III. (XVI), 360 p. , (II) + 6 folding engraved plates.
Leonhard Euler, born April 15, 1707 in Basel, died September 18, 1783 in Saint Petersburg, was a Swiss mathematician active in Berlin and Saint Petersburg. He is said to have been one of history's most productive mathematicians.