Preliminary comparison of B.R.-Brecknell, Willis high-speed and APT pantograph performance at 100 mph (IM-DA-296)

Preliminary service trails of the B.R.-Breoknell, Willis Mk III "high speed" pantograph were carried out between Euston and Preston on each of the five days 4-3 December 1978. The test vehicle, lab coach 6, was attached to the rear of a service train, so that the pantograph was second of...