This object is believed to be associated with training at the Parkville Secondary Teaching College during the 20th Century.Related to objects 450 and 452This rectangular wooden resistance decade box features four large dials for controlling resistances. The dials are mounted atop a black plastic panel, each with a square base. Three smaller dials are mounted to the right of the large dials.Embossed plaque at front: 'J. L. WILLIAM / SCIENTIFIC INSTRUMENTS / SERIAL No 3960 / TYPE RB4DS / MELBOURNE / AUSTRALIA' Engraved and filled white on top plate from left to right: 'ABSOLUTE OHMS AT 20 C / MANGANIN' Logo reading: 'J. L. WILLIAM / SCIENTIFIC / INSTRUMENTS / MELBOURNE / SERIAL No 3960' 'ZERO RESISTANCE / 0.004 OHM' Engraved on back edge of top panel: 'SECONDARY TEACHER COLLEGE PARKVILLE' Dials are labelled underneath with unit measurements for resistance settings, engraved and in-filled white.j. l. william, decade box, electrical equipment, resistance decade box, scientific instruments

Related to objects 450 and 451.Resistance decade box constructed from rectangular base of ferrous metal with black plastic top. Top displays five circular dials with three smaller circular dials on the right. Embossed plaque at front: 'J. L. WILLIAM / SCIENTIFIC INSTRUMENTS / SERIAL No 3012 / TYPE RR5S / MELBOURNE / AUSTRALIA' Engraved and filled white on top plate from left to right: 'ABSOLUTE OHMS AT 20 C / MANGANIN' Label reading 'PHYSICS PT 2 222 A4' Logo reading: 'J. L. WILLIAM / SCIENTIFIC / INSTRUMENTS / MELBOURNE / SERIAL No 3012' 'ZERO RESISTANCE / 0.006 OHM' Dials labelled underneath with unit measurements engraved and filled white.decade box, resistance decade box, j. l. william, electrical equipment, scientific instruments

Set of 6 A4 sheets, stapled in the top left hand corner, listing on a wiring table the various terminals, locations wiring for the W class tram conversion project - 1994. Has many notes, particularly on the first page.Drawings has notes, red lines on the first sheet.trams, tramways, w class, one man trams, conversion, electrical equipment, driver only modifications

Drawing - original dyeline print - folded into 16, showing dimensions and layout of the wooden troughing in 16 different sheds at the depot - e.g. old and new Malvern. Prepared July 1934. Drawing Number 06739A Revision A Feb. 1964trams, tramways, depot, overhead, trolley wire, trolley poles, electrical equipment

Compressor Fuse - electrical item - fitted between the main incoming DC line from the trolley wire and the compressor on an air braked tramcar. Has brass end caps, a red Bakelite type material separating the ends, containing a 5Amp DC fuse wire. Has a plastic label - teal coloured with the number "5" printed on three times.trams, tramways, compressors, fuse, electrical equipment, tramcars

Instruction - 3 pages - duplicated foolscap sheets - headed "MMTB Engineering Department - Workshops and Running Shed Branch" - titled ""RC2 and EE RC1 Controller Maintenance - Electrical Mechanics Procedure" Details electrical work to be done on the rostered day in for RC1 and EE.RC1 controllers, safety, checking, when to replaced and additional work to be done on the 4th rostered day-in service. Dated May 1970.trams, tramways, depot, safety, workshops, electrical equipment, instructions, procedures, controllers

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.trams, tramways, depot, safety, workshops, electrical equipment, instructions, procedures, controllers

Instruction - 4 pages - duplicated foolscap sheets - headed "MMTB Engineering Department - Workshops and Running Shed Branch" - titled "EECK1 (Clyde) Controller Maintenance - Electrical Mechanics Procedure" Details electrical work to be done on the rostered day in for EECK1 (Clyde) controllers, safety, checking, when to replaced and additional work to be done on the 4th and 12th rostered day-in service. Dated May 1970.trams, tramways, depot, safety, workshops, electrical equipment, instructions, procedures, controllers

Instruction - 3 pages - duplicated foolscap sheets - headed "MMTB Engineering Department - Workshops and Running Shed Branch" - titled "RC1 and RC2 remote control unit boxes - Electrical Mechanics Procedure" Details electrical work to be done on the rostered day in for RC1 and RC2 remote control unit boxes maintenance, checks, adjustments, safety, testing and closing the boxes. Dated May 1970.trams, tramways, depot, safety, workshops, electrical equipment, instructions, procedures, controllers

Instruction - 2 pages - duplicated foolscap sheets - headed "MMTB Engineering Department - Workshops and Running Shed Branch" - titled "Line Breakers GE and EE type - Electrical Mechanics Procedure" Details electrical work to be done on the rostered day in for GE and EE type line breakers, maintenance, checks, adjustments, safety, testing and closing the boxes. Dated May 1970.trams, tramways, depot, safety, workshops, electrical equipment, instructions, procedures, controllers

Instruction - 1 pages - duplicated foolscap sheets - headed "MMTB Engineering Department - Workshops and Running Shed Branch" - titled "K35JJ, K35 AA2, RC1, RC2, EECK1 (Clyde) controller maintenance - Tradesman's assistant procedures" Details electrical work to be done on the rostered day in for the work to be carried out assisting the Electrical Mechanic on his work, including lubrication. Dated May 1970.trams, tramways, depot, safety, workshops, electrical equipment, instructions, procedures, controllers

Instruction - 3 pages - duplicated foolscap sheets - headed "MMTB Engineering Department - Workshops and Running Shed Branch" - titled "RC1 and RC2 remote control unit boxes -Tradesman's assistant procedures" Details electrical work to be done on the rostered day in for RC1 and RC2 remote control unit boxes by the Tradesman's assistant for the Electrical Mechanic. Dated May 1970.trams, tramways, depot, safety, workshops, electrical equipment, instructions, procedures, controllers

Instruction - 9 pages - duplicated foolscap sheets - headed "MMTB Engineering Department - Workshops and Running Shed Branch" - titled "Electrical Faults on Tramcars". Details trouble shooting electrical faults, fuses, controllers, defects, tramcar driving faults, line breakers, use of bridging sticks. Prepared by R. J. Tippett, Senior Foreman. Dated May 1970.trams, tramways, depot, safety, workshops, tramcars, repairs, instructions, procedures, controllers, electrical equipment

Magazine - 24 pages - A4 full gloss paper - central stapled titled "ASEA Journal 1977 - Vol. 50 - No. 4", published by ASEA Pty Ltd. Has an article "New Trams for Melbourne" - written by Lars Friden, ASEA Transport division and Ross Coltman of ASEA Lilydale. Includes information on the tram itself, background, contractors, design, equipment, control equipment, internal and external photographs, under floor layout, bogies, electrical diagrams, panels, and layouts. See also Reg item 1603 for September 1976 issue about the 50th Z class delivery. 2nd copy added 10-1-2019trams, tramways, asea, sweden, mmtb, z class, electrical equipment, controllers

Magazine - 8 pages - A4 full gloss paper - central stapled titled "September 1976 - Vol. 7 - No. 3" published by ASEA Electric (Aust) Pty Ltd. Has a cover photo of Z 50 being commissioned and an article on the commissioning and handover of the 50th Z class tram, with a photo of the event with the Transport Minister J. Rafferty, F. F. Ruegg of ASEA, F. D. Snell, Chairman and D.S Smith of Comeng. Has an adjacent article about the commissioning of the Z class trams by Ted Payne and Christian Siegel - noting the use of W2 337 as a mobile workshop. On the following page has an article about the appointment of Dudley Snell as chairman of the MMTB. See also Reg item 1603 for September 1976 issue about the 50th Z class delivery. Second copy from John Prideaux added 18/6/2017.trams, tramways, asea, mmtb, z class, electrical equipment, controllers, commissioning, testing, tram 50, tram 337

Set of two digital images of Metrovickers 101 or MV101 tram motors. The first image shows the motor complete with gear cases and axle bearing caps, while the second shows the motor without the axle bearing caps. Have the manufacturer's logo in the bottom right hand corner.trams, tramways, metrovickers, motors, electrical equipment, mv101

Report - single foolscap sheet titled "Bridging Transition" describing the electrical circuit arrangements while passing from series to parallel in DC traction tramway motors.trams, tramways, tramcars, controllers, electrical engineering, electrical equipment, motors, electric traction

Report - four pages - stapled in top left hand corner, titled "PCC - by F R Thompson", describing the control systems in a PCC tramcar, eg No. 980. Refers to drawings that are not included. Describes the control circuits, car drive, equipment, electric brakes, emergency dynamic braking, and service braking.trams, tramways, tramcars, controllers, electrical engineering, electrical equipment, motors, electric traction, pcc

Report - seven pages - was stapled in top left hand corner, titled "GE 247 Traction Motors" written by Noel Gipps for the AETA in 1957. Outlines the history of the motor, manufacturer, electric braking and issues, weak filed running, trials by the MMTB on W5 class cars, Westinghouse VA23 system, PCM systems and trials in Melbourne.trams, tramways, tramcars, controllers, electrical engineering, electrical equipment, motors, electric traction, pcc, general electric

Instruction - printed on two A3 sheets, titled "The Care of Railway Motor Bearings" issued by General Electric July 1925. Details bearing lining materials for brass and Babbitt, armature, axle, iron, packing, oil levels and inspection. Original from a wall poster.trams, tramways, electrical engineering, electrical equipment, motors, electric traction, general electric, bearings, maintenance

Set of two foolscap prints of drawings showing details for the stopping marks for Melbourne trams - when street lights were not that good. Both drawings date stamped 8/7/1966 giving date Bob obtained them from the MMTB. .1 - Drawing O2706 - "Track Lights - stop Mark Light Indicators", dated 1925, shows a round light to be placed in front of a street light. .2 - - Drawing No. E9641 "Stopping Place Indicator to fit SEC 17" Reflector" - shows a rectangular light to be placed in front of a standard SEC street light with a bulb. Notes Red for compulsory stops and yellow for provisional or hail stops. Original drawing 1943, Rev C 1958.trams, tramways, tram stops, street furniture, electrical equipment, drivers

Set of documents sewn within a green folder titled "Contract between The Chairman and Members of the Footscray Tramway Trust and The Australian General Electric Co. Queen St Melbourne for the supply, delivery and Erection of Rotary Converters, Transformers and Switchgear for the Footscray Tramway Trust" containing: 1 - "Footscray Tramways Trust - General Conditions, Specifications and Forms for Tendering - Tender for the Supply Delivery and Erection of Rotary Converters, Transformers and Switchgear", Schedule of Prices, Tender Form, Schedule of documents, contract dated 31/7/1919, includes the seal of the FTT and copies of some 10 letters clarifying matters between the time of the tender and documentation. Documents have been signed and sealed. See page 5 bottom right hand corner for the FTT Seal. Documents prepared by Christie & Gardiner, Consulting Engineers, 97 Queen St Melbourne. Parts of the document have scanned to pdf.Has in pencil in the top right hand corner "49"trams, tramways, ftt, footscray, rotary converters, electrical engineering, electrical equipment, tenders, contracts

Set of 6 reports, photocopied onto heat sensitive paper from various magazines. Documents match the image numbers. .1 - .2 pages - Electrical Engineer - 15/8/1928 - "Rail Grinding Machine for Melbourne Tramways" - Grinders .2 - 5 pages - Electrical Engineer - 15/6/`1927 - "Workshop of the Melbourne Tramways Board" - includes a layout drawing - See Reg Item 3675 for a reprint of this document. .3 - 1 sheet - Electrical Engineer - 15/9/1927 - "Worm Driver for Electric Tramcars - new type of truck constructed by Melbourne Tramways Board" - fitted to X1 class cars. Has a sketch of the truck. .4 - 8 pages - The Electrical Engineer and Merchandiser - 15/11/1933 - "A Supervisory Control system for Traction Substation - Equipment designed for the MMTB" - written by C. L. Steele. .5 - 8 pages - "Institute of Engineers Australia" - Dec. 1943 - "Prolonging the life of the tramway rail" - by A. H. Blanch. Note some pages have handwritten additions where the copying is out of line. .6 - 1 page - The Electrical Engineer and Merchandiser - 16-10-1950 - "Noiseless bogie for Tramcars" - PCC bogies. - St Louis Car C B-3 Bogie.trams, tramways, mmtb, rail grinding, rail wear, track materials, grinding, preston workshops, worm drive, x1 class, substation, electrical engineering, electrical equipment, tramway per way, bogies, pcc class

Drawing in ink on paper, titled "Resistance Diagram for Dick Kerr Boxes", showing the set out of the resistance grids, the steps and the values in Ohms, of resistance for trams fitted with this type of equipment.trams, tramways, electrical engineering, electrical equipment, resistance grids, dick kerr

Instruction - 64 pages + light brown card cover centre stapled with cloth binding on outer edge + fold out drawing inside the rear cover, titled "Westinghouse - T5001-1 SM3 Straight-Air Brake Equipment". Dated March 1927. Has a table of contents, outlines the rules of operating brake equipment fitted to tramcars, the SM3 and PV brake valves, SX2 brake valve, locomotive straight air, installation piping, wiring, maintenance - piston travel, lubrication, car tests, hints to Motormen and Conductors and General Hints. Includes instructions on compressors, air intakes, valves, cylinders and governors.On inside cover "Bob Prentice 13 High Street Prahran Vic 3181" and on top of first page "W. Armstrong"trams, tramways, electrical engineering, electrical equipment, westinghouse, air compressors, brakes, instructions, maintenance

Instruction - 92 pages + light brown card cover centre stapled with cloth binding on outer edge, titled "Westinghouse - T5002 - Motor Driven Air Compressors for Electric Railway Service". Dated January 1938". Has a table of contents, giving details for motor driven compressors, DH, D-EG, D-F, D-K, D-4-P, XQ-27, C. air strainers and installation. Includes instructions on compressors, air intakes, inspection and maintenance and disorders - causes and remedies.On inside cover "Bob Prentice 13 High Street Prahran Vic 3181" and on top of first page "W. Armstrong"trams, tramways, electrical engineering, electrical equipment, westinghouse, air compressors, instructions, maintenance

Book - six sections, 134 pages + end pages + heavy card covered with a red stippled paper titled "The Electric Tramcar Handbook", 7th Edition, written by W. A. Agnew, published by H. Alabaster, Gatehouse & Co. Ludgate Hill in 1915. Right hand of sheets rounded. Has a table of contents and index at the rear. Written for Motormen, Inspectors and depot workers. Covers many aspects of the electric circuits for trams, including controller diagrams, tramways, tramcars, controllers, overhead, brakes, on the road and faults and Breakdowns. Would have been a reference guide for training staff. Scanned in three pdf files.trams, tramways, electrical engineering, electrical equipment, air compressors, brakes, instructions, maintenance, tramcars, training, controllers, overhead

Instruction - 16 pages + brown covers, centre stapled, cloth binding on left hand side and two punched holes on left hand side, right hand side has rounded corners, titled "General Electric - Straight Air Brake Equipment Instruction Book 84564A", dated Sept. 1919. Includes instructions on compressors, air intakes, valves, cylinders and governors, safety valves, motorman valves, brake cylinders, rules for operating, emergency stops, sanding of rails and general issues. Has a list of company offices on the last page.trams, tramways, electrical engineering, electrical equipment, general electric, air compressors, brakes, instructions, maintenance

Instruction - 20 pages + brown covers, centre stapled, and two punched holes on left hand side, right hand side has rounded corners, titled "General Electric - Motor Driven Air-Compressors Instruction Book 84591B", dated June 1921. Includes instructions on GE Centre Gear Type self lubricating compressors, models CP25, 27, 28, 29, 30, 127, 128 and 130. Gives details of the parts, lubrication requirements, photos, drawings including connection diagrams. Last two pages includes notes on the Induction motor-driven air compressors CPT27, 28 and 30. Has a list of company offices on the rear cover.trams, tramways, electrical engineering, electrical equipment, general electric, air compressors, brakes, instructions, maintenance

Instruction - 108 pages + 9 fold out drawings glued and stapled in at the rear + card covers with red cloth binding, rounded right hand edges, centre stapled. Titled "Instruction Pamphlet S-100, Air Brake and Safety Car Control Equipment", published July 1924 by the Safety Car Devices Co. St Louis. Includes the M28 Brake valve. Describes in detail the rules for operation, parts, description, M28 Brake Valves, Maintenance, Practical car tests, hints, defects. The 9 drawings at the rear of the document give detail arrangements of the piping and control equipment. Book scanned into three sections. See also Reg Item 3513 for another similar document.on top of first page "C. Hodgson"trams, tramways, electrical engineering, electrical equipment, air compressors, brakes, instructions, maintenance, controllers