...C B FOX © Thomas Telford and ICE 1900 JURA SIMPLON RAILWAY COMPANY CONSTRUCTION TUNNELS GEOLOGY SURVEYS MOUNTAINS ALIGNMENT EXCAVATIONS RAILWAYS TRANSPORT WORKING DRILLS MACHINERY EXPLOSIVES POWER STATIONS WATER HYDRAULIC VENTILATION DRILLING EXCAVATING ROCKS...

... of the tunnel is cool and fresh. This system, however, cannot be applied to railways in which under- ground stations exist, as the effect of the current would be to blow the smoke to the platforms of the next station, the very part of the railway which should be kept in the bestcondition. The Simplon Tunnel,now...

... zigzags by which the old road surmountsthe pass. Thesetwo passes, theBrennerandthe Tenda, lying at almost theextremelimits of the Alpinerange, possessed the only twocarriage-roadspreviousto the commencement of acarriage-way across the Simplon i n 1801. The pass of the Great St. Bernard, situated near...