Black and White Photograph of a transformer face plate for a British General Electric transformer for use in Mercury Arc Rectifier Equipment, made 1950. Provides details of the transformer capacity, ratings and wiring diagram. Made at the EPM Works, Waterloo NSW.trams, tramways, transformer, mercury arc, substation, electrical equipment

Twelve page report, gloss paper, orange covers and a brown comb binder, titled "Automatic Vehicle Monitoring System" August 1979 describing the introduction of the AVM system by the MMTB into Melbourne for both trams and buses. Gives the background to the system, how it works, what it can do, diagrams, photographs of Hamburg and Los Angeles, notes on how it can improve services and MMTB planning for the system including photographs of a bus in West Heidelberg where preliminary testing was being undertaken at the time. Folded into the rear of the report is a 4 page, typed and handwritten notes by the donor on the system, answering a series of questions.Marked on top of the front over "1979"trams, tramways, avm, mmtb, testing, automatic vehicle monitoring

Dyeline print of Drawing R9846, "Resistance Boxes - Types on tramcars". Provides a listing of Melbourne tramcar numbers, class, motors, controller, type and box number, Resistance diagrams and remarks - number of tramcars. Includes works cars. Drawing undated, does not include X class cars or VR cars. Note that it superseded drawing R9846.On rear in red ink (felt pen?) "Resistance Boxes"trams, tramways, tramcars, mmtb, lists, resistance grids

Drawing shows the proposed layout of the Swanston St underground tram line at Flinders St. Shows the tram stop, the layout of the access to the stop, Flinders St and Princes Bridge stations, the demolition of Young and Jacksons Hotel, a railway booking office. This was part of a project that was for undergrounding of a number of tram lines in Melbourne during the early to mid 1960s. Yields information about the proposed undergrounding of the Swanston St tram line at Flinders St.Foolscap photocopied sheet on heat sensitive paper with four punched holes on the side.tramways, underground tramways, swanston st, proposed works, flinders st station

1946 Letter regarding the Pumping Station in Esplanade West.mmbw, engineering - melbourne metropolitan board of works, pumping station

1887 Letter regarding the Pumping Station in Esplanade West.mmbw, engineering - melbourne metropolitan board of works, pumping station