Historical information
EMB circular No. 63 giving details of their "Unbreakeable jointless rustless grid type resistances" used in tramcars such as the Melbourne W7 class trams, steelworks, cranes etc. Gives details of the materials, repairs, terminals, and their use in tramcars either underfloor or in steel cases.
Significance
Yields information about the EMB "Unbreakeable jointless rustless grid type resistances"
Physical description
Document or catalogue circular - 12 pages centre stapled with two punch holes on the left hand side.