Physical description
.1 - Instruction - approx. 50 pages, A4 pages with some foolscap pages detailing the: "Wheel diameter compensator - Kit Details and installation instructions", prepared by the Metropolitan Transit Authority for Manager Preston Workshop by the Manager electrical design and communications branch - P. CussZ. Dated July 1984 for fitting to Z1 and Z2 trams. Includes an "Owners' Manual" in a plastic folder, prepared by Selectronic Components of Bayswater.
.2 -set of 3 drawings showing the layout for the circuit boards prepared by Precision Engineering dated 29-8-1991, in a labelled plastic folder.