High speed tests of MKIIIB overhead equipment and BR/BW pantograph Scottish Region July 1985 (TM-ES-075)

The tests were carried out at the request of the DM & EE (Elec and Plant) in order to examine the performance of MkIIIB overhead equipment as proposed for the East Coast Main Line electrification. A similar series of tests were carried out in October 1983 to obtain data on...