Physical description

Report - seven pages - was stapled in top left hand corner, titled "GE 247 Traction Motors" written by Noel Gipps for the AETA in 1957. Outlines the history of the motor, manufacturer, electric braking and issues, weak filed running, trials by the MMTB on W5 class cars, Westinghouse VA23 system, PCM systems and trials in Melbourne.