A badly stained yellow plastic cover with a clear window. Top of the cover is the RAAF insignia and uder this reads Royal Australian Air Force and Engineering Publication. Through the window on yellow paper are the details of the manual. The manual is held together by a large metal slide which is inside the cover.royal australian airforce - manuals, engineering publication, electrical engine speed indicators

This manual does not have a cover and is kept in a plastic cover for rotection. The mauual is loose pages. There are three punch holes down the left hand side. At the top of the first page reads TM 11-486-3united states - armed forces - service manuals, electrical communications systems engineering

Black plastic folder with black plastic comb binder containing plasticized drawings for the Z1 and Z2 class tram circuits (45 pages), Z3 tramcars (47 sheets), notes on the CCU Test cards and performance and a list of controller wiring diagrams, for all tramcars and some of the associated drawings. Prepared by the Met Tram Servicing branch. Not dated.trams, tramways, z class, instructions, controllers, electrical engineering, electrical equipment, electrical systems, z3 class