Historical information
Document titled "An introduction to the Tram Overhead System" - gives a background to Melbourne tramway overhead. Includes notes on the type of collection, trolley pole or pantograph, trolley wire size3, suspension systems, design, with general recommendations, technical specifications, poles, frogs, weights, component names, and turnouts or points. Document undated - c1995. Notes the use of poles on the City Circle trams.
Significance
Yields information about the Melbourne tram overhead system and components.
Physical description
Document - 16 loose A4 sheets.
