Photograph shows W7 1003 at East Preston Depot and the components that went to make resilient or quiet running wheels. Also shown is a carbon skid trolley pole head which also made tram operations quieter. The wheels were introduced with the W6 class and W7s. The carbon skid trolley pole heads were continued but the resilient wheels not continued with during the 1980s.Yields information the components that were used to make trams quieter running during the 1950s.Photograph - black and white with MMTB stamp on rear.trams, tram 1003, w7 class, resilient wheels, carbon skids, noise, mmtb, double helical gears