This Timing Relay is quite a large (industrial type) apparatus. The Timer is started by having a voltage of 250 volts direct current (as supplied by batteries). A DC motor then rotates driving into a clockwork mechanism, the output of which is an arm rotating at the same speed as a minute hand on a clock. Attached to this arm is a mercury switch which tips and makes an electrical circuit operate in a sequence control system. The sequences that use these timers are when starting and stopping Hydro Generators. They check that the machine has connected to the power system grid before 20 minutes duration. Brakes must go on for a set time when shutting down a generator slowing at the right speed as measured by this apparatus. These generators are powered by the hydro force of "stored" water at a higher altitude. The establishment of both the NSW and Victorian Hydro schemes was achieved from the mid 1900's to the 1960's. At this point in time the need for additional power sources to quench both an industrial and domestic demand for electricity was purely an economic and not and environmental (carbon reduction) factor. This Timing Relay apparatus is very significant to the Kiewa Valley as its use was introduced during the Kiewa Hydro Scheme. Although only a relay apparatus, it was however part of the explosion of human resources into the valley. This influx of population transformed the region from that of a basically quiet rural region to one which evolved into both an industrial and a larger residential community. This evolution in the valley created a change, not only in the "physical" landscape but also the socio-economic expansion which permitted other "tourist" based industries into the valley. This Hydro Scheme was instigated by "the Government of the day" as a bold move and was the major force behind the acceptance of World War II refugee and "technical" workforce. Inclusion of skilled and unskilled migration into the Australian environment was of a higher priority than a selective quota system of later years.. Although this mass "invasion" of workers with families was thought of in some circles as intrusive, the expansion of population post war years and its integration into the Australian rural sector, produced the multi- lingual, multi-cultural diversity of later years.sec vic kiewa hydro scheme, alternate energy supplies, alpine population growth

Information from Norman F. Dalton: Ballarat had a reticulated DC supply in the early part of last century and in 1905 had sufficient generating capacity to enable the trams to be changed from horse drawn to DC electricity. The use of electricity increased with the main power station located on Wendouree Parade, near Webster Street, under the ownership of The Electric Supply Company of Victoria. AC generating plant was installed in 1925 and conversion to AC proceeded. In 1934 the company was taken over by the State Electricity Commission Victoria (SECV) and more AC generation was installed and the changeover of customers was accelerated. This is around the time that the Synchronome Frequency Checking Mast Clock was installed at the Wendouree Parade Power Station. The SECV Annual Report of 1921 states: ::Section 11 of the act directed the COmmission to enquire into the question of securing the adoption of such standards of plant and equipment of a system, frequency and pressure for the generation and distribution of electricity as will admit of the efficient interconnection of undertakings throughout the State. In 1934 when the SECV took over the Ballarat operations the question of linking with the State grid had been a planned operation for some years but due to financial considerations had hindered it and in fact would continue to do so for a further 10 years. So while the need for close frequency control for interconnection was hardly an issue, the need to keep electric clocks correct was important, particularly as this item was a frequent sales point to cover the inconvenience and sometimes expense of converting from DC to AC. The clock is a very accurate pendulum clock with provision for varying effective length during operation for precise time regulation. There are two normal time dials and one is controlled by the pendulum and the other is operated by the system frequency. When the clock was in use it was installed by the MEter and Tests Laboratory and the time was checked daily by radio time signals. The two dials were repeated in the operators control panel in the Power Station. A maximum deviation between the two dials was set in the operating instructions (eg 5 seconds) and the operator would correct this when necessary by remote manual alteration of the turbine governor set point. The clock was used to drive and regulate a system of "slave" clocks which were used to display the time in various locations around the power station. A slave clock is a simple clock which is driven by a small electric motor, its accuracy is regulated by the master clock every 30 seconds to ensure that it and all the other slave clocks in the station are on exactly the right time; slave clocks were placed in various locations, from common rooms to workshops. A master clock could potentially run thousands of slave clocks at one plant. The clock also contains a rectifier. A rectifier is a device that is used to convert AC power to more stable DC current.Two clocks in a timber case. Both are electric, one is powered by the main pendulum mechanism, the other is a self contained electric clock. The main mechanism is of the gravity arm and roller type, which sends an impulse to the slave clocks every 30 seconds. The This Synchronome Frequency Checking Master Clock was used at the Ballarat Power Station. Below the main section of the case is a smaller cabinet containing a rectifier to provide consistent DC power for the clock. The rectifier was made by the Victorian company Hilco, which was located in Burwood. There is a high chance this is not the original rectifier from this clock as there appears to be brackets to hold a larger device in the space the rectifier occupies.Front below main clock face on front of case: "Patented Sychronome Brisbane" Lower left-hand clock face: "Frequency time" Lower right-hand clock face: "Standard Seconds" Synchronous electric clock mechanism on door (Frequency time clock): >200/250 V. 50~ >"Synchronomains" Made in England >Direction indicator for clock starting switch >"To start move lever in direction of arrow and release" >"Patent applied for" Mechanism for "standard seconds" clock: >"English Made" >"Patented" >Serial number "321" >0 above right-hand pillar on front-plate Mechanism for "standard seconds" clock: >"English Made" >"Patented" >Serial number "321" >0 above right-hand pillar on front-plate Mechanism for main clock face: >"English Made" >"Patented" >Serial number "8751" >0 above right-hand pillar on front-plate Inside case, back panel, top enamel plate: >Seconds Battery + Pos. > Battery Common or - Neg. >1/2 min dials Inside case, back panel, bottom enamel plate: external seconds dial Inside case, right hand side, electrical knobs: two switches, both "A.C. mains" Pendulum rod, below suspension spring: Serial number (?) 0000005 Rectifier in bottom cabinet: >"Hilco Rectifier" >"A.C. Volts 230/240" >"Model 1060/S" >"A.C. Amperes" >"Serial No. 1060/S >"Phases 1" >"D.C. Volts 6" >"C.P.S. 50" >"D.C. Amperes 1" >"Made in Australia by Hilco Transformers McIntyre St., Burwood, Victoria." Bakelite electrical plug: makers mark Lower cabinet, RH side panel, pressed tin plate: "AC" (upside down) Brass speed adjustment, outer right RH side: "S" and "F" Ivory and wood pendulum beat ruler: >Ruler, with 0 in centre and numbers 1-5 in ascending order from centre on left and right. > "Synchronome Patent." Steel plate, back panel, inside case, right hand side: >N R A" (descending) >"2191" serial number/part number Face of main clock: "Synchronome Electric" synchronome frequency checking master clock, electricity, state electricity commission, wendouree parade power station, secv, clock, time, pendulum, electric supply company of victoria, norman f. dalton, ballarat power station, rectifier, slave clock

Light brown top with dark brown base telephone keyboard. Made of plastic with sockets for the handpiece of a phone, a QWERTY keyboard and small (5cmW) printer, possibly with a screen. Used to take and send telphone calls. Uses batteries and has a handle for carrying. On top: "PRINTACALL/SSI-220" On back: "SSI / INNOVATIONS IN COMMUNICATIONS" On bottom: in middle of metal plaque "SSI-220 / Power: DC 6V/ Type "C" x 4 / (RECHARGEABLE BATTERY) / SPECIALIZED SYSTEMS, INC. / SAN DIEGO, CALIFORNIA / MADE IN JAPAN / SERIAL NO. 02478" On sticker on back: "MODEL. SSI-220 / SERIAL NO. 84840001 / Printacall Pty. Ltd. (02) 2648104 / P.O BOX A623 Sydney South 2000 N.S.W. Australia." Inscribed on R side: "HEIDELBERG HIGH SCHOOL / HEARING IMPAIRED UNIT NO 3" Label on L side: "TELECOM AUSTRALIA / Permit No 08216 103/2"

Samizone flat file, made from manila card with blue printing for file details and a Dymo machine label on the spine (red background with white printing) titled "Ballarat SEC History". On inside of folder is a "Post It" note with handwriting "Robert Ashley Ex Employee" in blue ink. Contained within folder is" 1. "Ballarat, Electricity and the State Electricity Commission" photocopied from an original. Has typed under the heading over white out correction fluid "Notes - Draft notes prepared by Robert W. P. Ashley 1989." The paper gives the history of power supply in Ballarat, including street lighting, ESCo, AC and DC power supplies, the takeover by the SEC, Ballarat A and B power stations, a copy of an advertisement for the SEC in Ballarat. (See btm1701i3.jpg) titled "The Power Behind the Switch" 2. Paper by A. D. Senior, titled "Electricity Supply in Ballarat" - see Reg. Item No. 1700. (see btm1700i.pdf) 3. Photocopied onto foolscap paper of an extract from possibly a large report on power supply in Victoria. Pages 155 to 158. Reports on the history of the power supply system in Ballarat until the takeover of ESCo by the SEC. Further details are referred to another section of the Report on the SEC itself. On page 158 are details of Beaufort Council operated supply and the start of notes on Beechworth. (see btm1701i2.pdf) Images of files added 6-8-15 For an image of the advert itself see btm1701i3.pdfSee notes above.trams, tramways, secv, power supply, esco, beaufort

Yields information about the SEC in Ballarat and in particular the conversion from DC power to AC.Newspaper clipping from the Saturday Magazine of The Courier 30/6/1984 titled "50 years of the SEC", looking at the history of the SEC in Ballarat, includes the conversion of plant from DC to AC which was not completed until 1968. Notes the two power stations and SEC offices have been moved to Norman St. Has five photos, including a staff photograph with many names, a photo of Bridge St, a collision between a truck and tram 14, SEC advertising and an interior view of Ballarat A. Written by John Dyallsec, ballarat a power station, sec crews, electrical engineering, electrical systems, electricity supply

Photocopy of an article in the State Electricity Commission of Victoria Magazine, Contact, Vol 3, No. 2, Aug 1938 titled "The Development of Ballarat's Electricity Supply". Two A3 sheets. The item with six photographs details the history of the development of Ballarat's Power Supply. Details development of the initial power supply in Dana St, the take over by ESCo, DC power initially, expansion, introduction of AC in 1925 to Ballarat, the takeover by the SEC in 1934, changeover from DC to AC, expansion to outlying areas, Buninyong, Creswick etc. Gives description of installed plan, boilers, storerooms and the stores systems. Has photos of the Dana St. building, Ballarat A power station, Ljungstrom Turbo Alternator and three of the stores area. Record revised 3/4/2019 to add digital images with those from Andrew Cook CD. Each item had a thin strip of paper attached by staple to the top left hand corner, giving the Vol. No. details.On rear of 2nd A3 sheet in blue ink details of contact with the BTM by M. Sayers prior to sending the material.trams, tramways, sec, power supply, power station, ballarat a power station, esco

Photocopy of an article in the State Electricity Commission of Victoria Magazine, Contact, Vol 1, No. 3, Nov. 1936 titled "Geelong Electric Tramways". Two A4 sheets. The article gives a short history of the development of the Geelong tramway system, replacement of petrol buses, extensions to Belmont, Chilwell and North Geelong. Gives track construction details, track renewals from 1924 (concrete stringers replacement), trolley wire, power supply (550V DC), rolling stock, Birney trams, services, fares, passenger numbers and the new SEC green uniforms. Has a photo of the Geelong depot with senior staff named and a photo of a tramwayman in the new Green uniform. Trams 27,30, 5, 23 and 6. Record revised 3/4/2019 to add digital images with those from Andrew Cook CD. Andrew notes the person in the photo could be Mr. Percy.trams, tramways, sec, geelong, trackwork, uniforms, track repairs

Siemens DC generator driven by a Thompsons two cylinder steam engine. The engine has vertical cylinders and there is a flywheel between the generator and engine. Generator painted grey, engine painted red. The system is connected to low pressure steam and can be run very slowly. Brass plate on generator "Siemens Brothers / Dynamo Works Ltd. / London Stafford / Direct Current Generator", followed by specifications. Thompsons Engineering in relief on steam engine side plates. "60" on base of engine.machinery; generator; steam engine; metalwork

Report - 42 pages, 3 sections, stapled on the left hand edge, titled "Report of the Royal Commission appointed to inquire into and report upon the Railway and Tramway systems on Melbourne and Suburbs" - dated 1911. Looks at the state of the Suburban rail system, finances, electrification's, costs, evidence of Mr. Merz, advantages of the electrification, power supply and standards, whether AC or DC, duplication, Glen Iris line, conclusions and recommendations. Tramway - summarises the current tramways operating, cable system and operational stats, the current tramway systems, other cities, relative merits, future tramways for Melbourne, operational speeds, use of cable conduits for electric traction, conversion, municipal control , control of the tramways by the railways, a general scheme, formation of a larger tramway trust and its management, purchase of the cable tramways and recommendations. Note: This document is available as a pdf on the Parliament of Victoria website. 2nd copy added 2-1-2019 from donation of Norm Cross.In ink in the top right hand corner "TB"trams, tramways, tramways, cable trams, finances, conversion, railways, royal commission, costs

Report or Programme for the Sunday 20th October 1991, PTC Open Day 23 A4 photocopied sheets + A3 folded drawing stapled in the top left hand corner titled "Electrical Engineering in the PTC 1906 - 1991". Describes the history of electric traction systems and engineering in Victoria for both rail and tram operations, overhead wiring systems, lighting and power supplies, with photos of Newport Power Station, Jolimont, Camberwell, Preston tramway substations. The last sheet has a drawing, poor quality of the 1500V DC railway traction system.trams, tramways, ptc, overhead, substation, electrical engineering, electric traction, open days

briefings: e-systems/grob egrett, myasishchev/molniya m-17 ‘mystic-b’, combat report: desert storm gulf victory, soviet airbase pushkin photo feature, lockheed f-22 feature, focus aircraft: bae/mcdonnell douglas harrier (50 pages), variant briefing: c-130 hercules part 1 – yc-130 to dc-130e, pakistan air force photo feature, fma ia-58 pucara feature, air power analysis: us air force overseas

Ten page report or article written by A. D. Senior, dated 29 August 1984 titled "Electricity Supply in Ballarat". Gives a background to power supply in Ballarat from 1885, takeover by ESCo, DC and AC power supply, generators, Buniyong, SEC, A and B power stations, farm supply, illumination or lighting, tramways and tram braking systems. Photocopied from original on foolscap sheets with staple in top left hand corner. See also Reg Item 1701 and 1702.Pink highlights on page 1, ink notes, pencil notes on page 3 re Creswick and ink corrections on page 7.trams, tramways, power supply, ballarat, sec, power station, esco