Heidegger (Heinrich). Manual for foreigners travelling in Switzerland. Zurich, Orell, Fussli et Compagnie, 1790. 2 parts in 1 volume in-12, paperback, moth-eaten cover (crease in cover). Very rare first French edition, illustrated with a small title vignette (part 2) and a double-page coloured map. The first part contains an introduction and the distances between the various towns and places of interest in Switzerland. The second part describes them. One of the earliest tourist guides to Switzerland, published before the Ebel guide. Perret, 2205