SIMPLON-TUNNEL, The. Il Tunnel del Sempione. Der Simplon-Tunnel. Le Tunnel du Simplon. Milan, (c. 1906). W. 36 (1 large fold.) reprods. after photos by Calzolari & Ferrario. 4°-obl. Loose in or. red cl. portfol. (Portfol. a bit dam./worn, some foxing).
The Simplon Tunnel is a railway tunnel on the Simplon railway that connects Brig, Switzerland and Domodossola, Italy, through the Alps, providing a shortcut under the Simplon Pass route. The construction of the tunnel was carried out by the Hamburg engineering company Brandt & Brandau, of Karl Brandau and Alfred Brandt.€ 160