Long welded rails. Recordings taken in Belsize tunnel, London, during the three years following installation of long welded rails (E-202)

Report E.76, dated 10th August, 1954, described the installation of a long welded length in Belsize Tunnel, London. The length was laid on 23/24 May, 1954 and observations of rail temperature range and longitudinal rail movements during the 12 months following installation were given in Report E.113, dated 19th...