Lettres a une Princesse D'Allegmagne sur Divers Sujets de Physique et de Philosophie [= Letters to a German Princess on Different Subjects in Physics and Philosophy]
Berne: Chez la Société Typographique, 1775. Later edition. Hardcover. 3 vol. 8vo. [3], iv-viii, [1], 2-309, [3]; [3], iv-viii, [1], 2-315, [3]; [3], iv-x, [1], 2-351, [3] pp. Contemporary sheep with the spines in six compartments, each spine with gold floral decorations and with two maroon morocco labels lettered in..... More