... to the Tower Subway, London, after Air-raid Damage By HAROLJDOHNBOYERHARDINGB.,Sc. (Eng M. Inst. C.E. THE Tower subway is of historical interest to civil engineers as it is the first tunnel tobe driven by a Greathead shield and with a cast-iron lining. It was constructed by Barlow and Greathead as a passenger...

...R R LIDDELL © Thomas Telford and ICE 1939 PORT OF LONDON AUTHORITY IMPROVEMENT DOCKS PORTS QUAYS WIDENING TUNNELS STRENGTHENING PIPES SUBWAYS PASSAGES DEEPENING SHEDS REMODELLING WORKS ROYAL DOCKS PORT OF LONDON VICTORIA DOCK MUDFIELD UK LTDDELL...

...G BARDET © Thomas Telford and ICE 1936 BRITISH SECTION SOCIETE DES INGENIEURS CIVILS DE FRANCE SOCINGCIVFRA STUDIES UNDERGROUND ROADS CROSSINGS CITIES TRAFFIC CIRCULATION SUBWAYS PARIS FRANCE BARDET ON UNDERGROUND ROAD CROSSINGS OF PARIS. 255 JOINT MEETING...