Historical information
Memo dated 18/5/1949, titled "6 Volt tail lamps on trams", detailing costs, proposed lights, memo dated 9/6/1949 re charging of the battery, sketches of electrical circuit with details of the equipment proposed.
Significance
Yields information about the design and costs of tail lights for SECV trams 1949.
Physical description
Set of 8 misc size sheets - typed, hand written or drawn.