Digital copy of a 9 page report by the MMTB, titled Project 3-75 - Replacement of Substation Equipment", proposing to replace the rotary converters installed between 1924 and 1930 with silicon rectifiers. Gives the locations, costs, schedule of replacement commencing 1975, in particular South Melbourne, Malvern and Young St Fitzroy. Gives a background to the system, a list of all the substations at the time, including date of installation, type, replacement of HV equipment, costs, reliability, maintenance costs, and benefit to cost ratio.Has the stamp of "Joint Ministry of transport and Tramways Library" and a "Plan & EPA Library barcode"trams, tramways, substation, transformer, power supply, electrical engineering, rotary converters

Report - blue Rexene cloth heavy card covers, dark blue glued end sheets, fully sewn bound, with some 9 sections, with many sheets folded and appropriate paper spacing allowed for in the binding. Report titled "MMTB The ALL-ELECTRIC TRAMCAR" with MMTB logo in gold block on front cover and on the side of the report. About 150 pages. Report prepared by Frank R. Kirby Chief Engineer, December 1961. Has a table of Contents, Appendices, figures, tables and photographs. Report looks at the development of All Electric Tramcars in Europe and North America, the cost of maintenance of Melbourne's trams, operating costs, conductors, seated conductors, passenger handling, reliability, speeds, maintenance and capital costs.Has a lable on the first page, "Plan & EPA Library M0036918", Front cover stamped in red "Secretary's Files"trams, tramways, mmtb, pcc, germany, europe, all electric trams, prototype tramcar

This draft concept plan covers the lower Plenty River from the Maroondah Pipe track in Greensborough to where the Plenty meets the Yarra. Melbourne Water was the lead agency, assisted by the Shires of Eltham and Diamond Valley, City of Heidelberg, the EPA and Department of Planning and Housing.Coloured pamphlet, photograph and plans 12 pages. 2 copies.plenty river, maroondah aqueduct, melbourne water

Report - black Rexene cloth card covers, 28 pages (including blank end and glued papers), sewn binding one section titled "Chairman's Report upon his Visit to Europe and America in connection with Electric Tramways 1923". Title gold blocked. Details Alex Cameron's 1923 visit to America, Great Britain and the Continent of Europe in connection (note different spelling to the cover) with electric tramways. In particular it was to investigate the question of the use of Conduit systems. Visited San Francisco, Los Angeles, Kansas City, St Louis, Chicago, Detroit, Cleveland, New York and Washington. Then to London, Paris, Brussels. Also attended the Municipal Tramways Association conference held in Portsmouth, August 1923. His conclusions - conduit system not desirable, and the need to regulate buses from competition with tramways. Has an appendix extracts of numerous reports, letters and papers about the various issues. Report dated 29th Oct. 1924. Second copy from the McComb collection added 5-1-2017 - scanned to a pdf - text readable when opened in Adobe format.Has a lable on the first page, "Plan & EPA Library M0036390" Second copy - has Mr. Lormer in the top left and right hand comers.trams, tramways, trams, tramways, mmtb, conduit systems, tramways, conversion, electrification, europe, usa