HUMBOLDT (Alexander von). On the Elevation of the Mountains of India. Paris, Imp. de Feugueray, s.d.[1814]. In-8° bound in half blond calf, smooth spine, handwritten title label on upper cover (Binding of the period). 23 pp. Scientific essay by Alexander von Humboldt on the physical geography of the mountains of India. Our copy was a special gift from Humboldt to M. Walckenaer (handwritten ex-dono). Enriched with an autograph letter signed by the author to M. Walckenaer, 2 pp. in-12. A charming copy Very good condition Some soiling to the binding scattered spotting