Physical description
Instruction - 3 pages - duplicated foolscap sheets - headed "MMTB Engineering Department - Workshops and Running Shed Branch" - titled "K35 JJ, K35 AA2 Controller Maintenance - Electrical Mechanics Procedure".
Details electrical work to be done on the rostered day in for K35 JJ and K35 AA controllers, safety, checking, when to replaced and additional work to be done on the 4th rostered day-in service.
Dated May 1970.