STUDENTS' PAPER. ON TUNNEL CONSTRUCTION, AND ON THE SYDENHAM TUNNEL, LONDON, CHATHAM, AND DOVER RAILWAY. (INCLUDES PLATE).

Keywords: LONDON CHATHAM & DOVER RAILWAY, TUNNELS, CONSTRUCTION, RAILWAYS, TUNNELLING, METHODS, GROUND, PRESSURE, CLAYS, LONDON CLAY, STRATA, SOFT, GEOLOGY, BEDS, SHAFTS, HEADINGS, EXCAVATIONS, BRICKWORK, BRICKS, FAILURES, RINGS, WALLS, ARCHES, INVERTS, COSTS, LABOUR, SUBCONTRACTORS, SYDENHAM, LONDON, UK