Letters of Euler to a German Princess, On Different Subjects in Physics and Philosophy (2 Volumes) by Euler, Leohnard; Hunter, Henry (Translator) - 1795

London: H. Murray, 1795. First Edition. Half Leather. Very Good. At the invitation of King Frederick the Great of Prussia, Leonhard Euler (1707-1783) tutored the Princess of Anhalt-Dessau, the king's niece. Over the next several years, Euler wrote more than 200 letters to her on a broad range of subjects relating to physics and mathematics, as well as offering insights into Euler's personality and religious beliefs. First English Edition. lxiii, vi, 515, viii, xxviii, 520 pp. 8vo. 6 plates in Volume I, 14 plates in Volume II. Brown leather spines with gold incised bands, dark brown leather patch title with gold embossed titling. Marbled paper boards with faux-vellume corners. Clean within, light foxing to both text and plates. Volume I missing half-title page, Volume II half-title page is present. Page 173 is numbered "137"; page 356 is numbered "310"; page 357 is numbered "307. Page 451 has a small margin tear, there are some chips to the head and foot of the first pages of Volume I, does not impact text. Leaf 474/475 is not in the book, misnumbered 476/477; no text is missing, there is no break in content, simply a misnumbering. Some plates bound out of order or not in chronological order, all are present. Volume 2, Plate IV is mis-labeled "VI.