DISCUSSION ON BULL-HEAD RAILWAY TRACK. RAILWAY ENGINEERING DIVISION.

Keywords: LONDON AND NORTH EASTERN RAILWAY, THE SOUTHERN RAILWAY, LONDON PASSENGER TRANSPORT BOARD, EXPERIMENTS, STANDARDS, BULL HEAD, TRACK, RAILS, RAILWAYS, TEMPERATURE, MEASUREMENT, TRIALS, READINGS, TESTS, LENGTH, WELDING, GAUGES, EXPANSION, HEAT, TREATMENT, SLEEPERS, MOVEMENT, JOINTS, BOX TUNNEL, SAPPERTON TUN., UK