DISCUSSION. ENLARGEMENT OF THE CITY AND SOUTH LONDON RAILWAY TUNNELS.

Keywords: THE CITY RAILWAY, CITY & SOUTH LONDON RAILWAY, MESSRS MOTT & HAY, FRANCOIS CEMENTATION COMPANY, ENLARGEMENT, RAILWAYS, TUNNELS, TUBES, UNDERGROUND, EXTENSIONS, COMPRESSED, AIR, COSTS, LABOUR, MATERIALS, STATIONS, CEMENTATION, PLATFORMS, PERMANENT WAY, SPEED, STANDARDISATION, SHIELDS, LONDON, SOUTH LONDON, THE CITY, ELEPHANT, &, CASTLE, SOUTHWARK, CITY RAILWAY, UK