Ballarat Tramway Museum
Manual, Doug Prosser, "Self-Lapping Drivers Brake Valve - Type W", "Type E Relay Valve", 1998
... "Self-Lapping Drivers Brake Valve - Type W", "Type E Relay... Type E Relay Valve... for a Type W Self Lapping Brake Valve, fitted to W3 and W4 tramcars... Westinghouse Maintenance Type E Relay Valve 779.1 - 4 page photocopy ...
779.1 - 4 page photocopy of a Westinghouse manual for a Type W Self Lapping Brake Valve, fitted to W3 and W4 tramcars, with design and operating information, drawings of parts and a graph showing its operation. Produced by Westinghouse dated 1946.
779.2 - 4 page photocopy of a Westinghouse manual for a Type E Relay Valve, working in connection with the W Self Lapping Brake Valve, fitted to W3 and W4 tramcars, with design and operating information, drawings and a list of parts. Produced by Westinghouse, dated November 1955.
Copy of document made for BTM March 1998 by Doug Prosser.
All sheets stapled together in corner.trams, tramways, brake valves, westinghouse, maintenance, type e relay valve
