NOTE. EMERGENCY REPAIR TO THE TOWER SUBWAY, LONDON, AFTER AIR-RAID DAMAGE. (INCLUDES PLATES).

Keywords: W T HALCROW, JOHN MOWLEM, EMERGENCIES, REPAIRS, SUBWAYS, DAMAGE, WAR, AIR RAIDS, BOMBING, TUNNELS, LININGS, CAST, IRON, SEGMENTS, TUNNELLING, METHODS, CLAYS, LONDON CLAY, TOWER, LONDON, UK