Rubber mounted (R.D.C.) clips for use with F.B.rails on concrete sleepers tests on load measuring washers manufactured by exors of James Mills limited (E-149)

Report E. 129 (dated August 1956) gives details of the first service trial of rubber mounted clips (R.D.C.) for F.B. rails on [text omitted as illegible] sleepers. One of the [text omitted as illegible] of this slip is the difficulty of visually determining if it is tensioned sufficiently. It was...