Samples of both types of trolley wire used in Melbourne during the 1960s. See item 4084 for a tender document with dimensions. Size - 81.3mm2 or .126 inch squared and 129mm2 or .2 inch sq.
Significance
Demonstrates the two types of trolley wire used in Melbourne during the 1960s
Physical description
Copper, cadmium copper hard drawn grooved trolley wire - two samples of each type.
