SAUSSURE, Horace-Bénédict de. Essais sur l' Hygrométrie, Neuchatel, chez Samuel Fauche, 1783, 4°, FIRST EDITION, half title, 2 engraved plates, one folding (light browning), contemporary half calf over green patterned paper with white stars (wear to spine). [Sotheran I, 4219]