Demonstrates the early days of the Electric Supply Co of Victoria tram's in Ballarat, the use of cross bench or toast rack trams and the intersection of Grenville, Bridge and Sturt Sts Ballarat.Sepia toned photograph of ESCo crossbench car No. 19, at Sturt and Grenville Sts. with the Bucks Head Hotel in the background and Cowdell Tonner and Ellis drapers store on the corner of Bridge and Grenville St. The tram has the destination of Convent/Gardens. See Reg item 3885 for a photo of the store and a Toastrack tram. On the rear, divided areas for a message and address, place for a stamp and two 1d Australian postage stamps in the bottom right hand corner. In the stamp area, has the words "printed in Prussia" in very small type. On rear of card in top left hand corner "28)", along top edge "9383H $25" and in bottom right hand corner a "William F Scott" address label and "WFS Collection"trams, tramways, esco, toastrack tram, grenville st, bridge st, sturt st, tram 470

Demonstrates aspects of the development of the Bendigo tramways by ESCo prior to undertaking the Ballarat system. Yields information about Charing Cross soon after the electric tramway was opened.Black and White postcard, early 1900's view of Charing Cross, Bendigo looking towards the north, Pall Mall. Has three tram cars in the view, the fountain, centre poles, horse drawn cabs and vehicles, a poppet head and building on the east side of the Pall Mall. Divided back postcard with areas for message, address, and the stamp. Has "67)" in the top left hand corner of the back of the card, a circled "13" crossed out, "early 1900's" in ink. In the top right hand corner "$8" in pencil. On the front of the card has "67)" in the top left hand corner in ink.trams, tramways, bendigo, pall mall, charing cross, tram 4

Black and White reproduction (copy by scanning and reprinting) of a sepia toned image of an ESCo Bendigo Electric tramcar at the time of opening trails with many people on board, crews, a dog, in the Ball Mall area. Shows details of the car decoration, painting, crew uniforms, seating arrangements, truck arrangements. Information provided with photographs says "Trial run on route to Golden Square 8.4.1903", copied from Leonard C. Bennetts collection by William Scott. Shows edges and edge damage of original photograph. Two copies held.Copy 1 - has "20)" in the top left hand and right hand corners of the front of the photograph. On the rear "140)" in ink in the top left hand corner. In pencil and ink "Bendigo Tramways (Company electric) / Trial run on route to Golden Square 8.4.1903", "copies from Leonard C. Bennetts Collection" and a "William F Scott" address label in the bottom right hand corner. copy 2- has "12" in a circle on the top left hand front. Back has been covered by a sheet of paper, but has similar notes to copy 1 and cropping instructions.trams, tramways, bendigo, pall mall, golden square, trials, esco

Demonstrates aspects of Ballarat tramway operation with horse tram trailers, Sturt St buildings, yields information about the appearance of Ballarat in colour.Colour postcard, presented within a wooden framed image of an ESCo tram just past the intersection of Doveton St. and Sturt St. travelling east along the north side of Sturt. Street towing a heavily laden horse tram as a trailer. Photo appears to be taken soon after opening of the electric trams, as the tram does not have any destination box above the driver. Possibly summer 1905/1906. Numerous people in the street, some horse drawn vehicles in the photograph. Shows buildings along the south side of Sturt St. and part of the verandah of the building at the NE corner of Doveton St. For a list and description of the same base image see Archives file - "Notes on ESCo Tram towing a heavily loaded trailer" On rear is "Made in Germany", areas for correspond, a Victoria one penny postage stamp, an din the bottom right hand corner, "09 3851" The card has been addressed to a Miss Seymour "Larramea", Mulwala NSW. Has a handwritten note to her sister (signed Flo?) about a trip arrangements to Melbourne and other details. Date 13 April, but year not apparent. Has been postmark, Melbourne (appears)In pencil along top edge "9269 V and $5"trams, tramways, sturt st, trailers, horse tram, town hall, esco

Demonstrates aspects of Ballarat tramway operation with horse tram trailers, - copy of a postcard photograph.B&W print of an ESCo tram just past the intersection of travelling east along the north side of Sturt. Steet towing a heavily laden horse tram as a trailer. Photo appears to be taken soon after opening of the electric trams, as the tram does not have any destination box above the driver. Possibly summer 1905/1906. Numerous people in the street, some horse drawn vehicles in the photograph. Shows buildings along the south side of Sturt St. and part of the verandah of the building at the NE corner of Doveton St. Horse Trailer No. 4 In top of image are the words "Town Hall and Sturt Street, Ballarat" Two copies Larger version than normal, obtained by Bill Scott for publication. For a list and description of the same base image see Archives file - "Notes on ESCo Tram towing a heavily loaded trailer" See Reg Item 4370i1 for a colour postcard.On rear of copy 1, "WFS Collection" in ink and on rear of Copy2 - "William F Scott" address label and "WF Scott collection" in ink.trams, tramways, esco, horse trams, postcards, doveton st, sturt st, tram 8, tram 2

Demonstrates the nature of working of the horse trams in Ballarat when at times three horses were required to take trams from Grenville St to Lydiard St. Yields information about the dress of Gentlemen at the time and the buildings behind the tramcar..Black and White photograph of North Sydney cable tram trailer, No. 1, side on view. From the CB Thomas Collection and published in Sydney tram books. Hi Res of image added 15/7/2014. On rear in ink, cropping marks in the top edge. Along the bottom edge "Trailers of this type were converted to electric cars for the Electric Supply Co. of Victoria tramways in Ballarat. The trailers were from the North Sydney cable try of the early 1890's" and "Nth Sydney cable trailer No. 1, Late CB Thomas collection". "KM2" and a blue sticker with "9" written on it.trams, tramways, cable trams, sydney, esco, tram 1

Yields information about Ballarat's electric tramcars at the time of the opening of the service, uniforms and crews.Black and White photograph of Ballarat Horse tram with three white horses on it and many male passengers at the intersection of Sturt and Lydiard St with the Town Hall and other buildings in the background. Has the Vine Hotel modesty board advertisement. Also shows the horse harnesses and the dress of the men at the time. On rear in ink, "18)" in top left hand corner, "Ballarat horse tramways / pic copied from Max Harris collection." and in the bottom right hand corner a "William F Scott label"trams, tramways, horse trams, sturt st, lydiard st

Yields information about Blackpool electric tramways in the 1880's, a system that was offered to the City of Ballarat by tender.Black and White photograph of ESCo Ballarat No. 1 in Ballarat, soon after opening in 1905, destination sign placed over front dash canopy. Has the driver (Rupert Bowd) at the controls. Has the destination of "Lydiard St Nth". (Rupert should be Robert - see page 138 of Alan Bradley's book, The Golden City and its Tramways) - at the Gregory St terminus. Two copies See Reg Item 6974 for another copy and details of the driver/motorman.Copy 1 - in ink "220) and Ballarat Tramways (Company) along the top edge and a "William F Scott" address label and "WFS Collection" in the bottom right hand corner. Copy 2 - in ink "220) and Ballarat Tramways (Company) along the top edge and "Driver Rupert Bowd B1872, Skipton St. Ballarat".trams, tramways, esco, opening, gregory st, tram 1

Yields information about the operation of BTPS owned tram in Bourke St Melbourne and the streetscape at the time of the operation.Black and White photograph of conduit (electric) trams in Blackpool England. The system was offered to the City of Ballarat when the tramway operations were being tendered. Shows two open top double decker electric trams, the centre conduit, advertising Holdens Dining Rooms and the three story buildings in the background and a horse drawn coaches.In ink on rear. "16a" and "In 1885 Holroyd Smith of the United Kingdom sent a tender to Ballarat to construct a conduit tramway in that city, similar to the one he had constructed in Blackpool United Kingdom in the same year. Further details are recorded in the book "Last tram at Eleven" by William F Scott, page 3. WR. Buckley & Son, Winston Bond Collection (United Kingdom). In the bottom right hand corner, a "William Scott" address label.trams, tramways, ballarat, uk, blackpool, conduit trams

Yields information about the streetscape in Geelong prior to the opening of the Geelong Tramway system and in particular the Post Office building in Ryrie St Geelong.Black and white (sepia coloured) reproduction of a photograph from the NOW Magazine 11.7.1907 issue of NOW Magazine, of the type of Electric street car proposed to be used in Geelong. this is a typical USA tram, different to what was actual used. Two copies, one copy with more the original magazine and the other, masked. From the Geelong Historical Society. Printed on Hewlett Packard paper - copy 1Copy 1 - In ink on the front of the print "Now magazine issue 11.7.1907", number "8)1" and on the rear, a "William Scott" address label. Copy 2 - a yellow label with "8-2 140%", "8)2" on the front of the sheet, and on the rear, a "William Scott" address label. trams, tramways, geelong, tramcars, tram 41

Yields information about Ballarat's trams in the early 1970's and the street scape around Lake Wendouree.Black and white print of Ballarat 35, northbound in Drummond St North (check on this ). Tram has the destination of "Gardens via Drummond Nth" and SEC roof advertisement "Everything's under control in my all electric kitchen. Two copies. Photo by Doug Colquhoun, 5/1969. Note the conductor standing on the footstep on the wrong side (for traffic operation) of the tram - could have been a posed photograph. Photo print courtesy of Port Dock Railway Museum, now the National Railway Museum. See worksheet 4311 for letter and details of prints sent to Bill Scott, 19/10/2001. Any photo credit to mention NRM Collection.On rear of copy 1 "SEC Ballarat / 39 /Sturt St East / 5/1969 3743 / D.A. Colquhoun" and "75" in the top right hand corner. Copy 2 "DAC" in ink, bottom right hand corner.trams, tramways, conductors, drummond st nth, tram 39

Yields information about Ballarat's trams during the late 1950's and the Kenney Murray offices.Black and white print of Bendigo 2 at the Eaglehawk terminus. Two copies. Photo by Doug Colquhoun, 16/5/1971. Trams has the destination of Eaglehawk and two roof advertisements for Electric cooking. Also has the Eaglehawk Town Hall, Eaglehawk Post Office in the background. Photo print courtesy of Port Dock Railway Museum, now the National Railway Museum. See worksheet 4311 for letter and details of prints sent to Bill Scott, 19/10/2001. Any photo credit to mention NRM Collection.On rear of copy 1 "SEC Bendigo / 2 /Eaglehawk / 16/5/71 4203 / D.A. Colquhoun" . Copy 2 "DAC" in ink, bottom right hand corner.trams, tramways, eaglehawk, tram 2

Demonstrates aspects of Safeworking on the Ballarat Tramway system from 1960 to c1936 when replaced by electric signs. Yields Information about the operation of Ballarat's trams and safeworking procedures.Cast brass item with a flat part recessed section with the words "BALLARAT TRAMWAYS SECTION STAFF" cast into the surface and a flat section underneath, flush with the outside edges in which the words "CARLTON ST HADDON ST LOOP " stamped in. Has an open rounded end which forms a handle or a point where it could be hung on a peg. Used as a means of authorising a tramcar to have sole use of the track between the named points to avoid head on collisions. Safeworking object - known as a section staff. Not known when made, but in use until the introduction of the electric signalling in the mid 1930's by the SEC. See also Reg Items 934 and 988 for details of use and other examples are at 1851, to 53, 2473 and 4444 to 4448, 4996 and 4497 and Reg item 934 and 988 for articles on the safeworking systems.trams, tramways, staff, safeworking, tramway staffs, sec, signals

Demonstrates aspects of Safeworking on the Ballarat Tramway system from 1960 to c1936 when replaced by electric signs. Yields Information about the operation of Ballarat's trams and safeworking procedures.Cast brass item with a flat part recessed section with the words "BALLARAT TRAMWAYS SECTION STAFF" cast into the surface and a flat section underneath, flush with the outside edges in which the words "DARLING ST LOOP RUBICON ST LOOP " stamped in. Has an open rounded end which forms a handle or a point where it could be hung on a peg. Used as a means of authorising a tramcar to have sole use of the track between the named points to avoid head on collisions. Safeworking object - known as a section staff. Not known when made, but in use until the introduction of the electric signalling in the mid 1930's by the SEC. See also Reg Items 934 and 988 for details of use and other examples are at 1851, to 53, 2473 and 4444 to 4448, , 4996 and 4497 and Reg item 934 and 988 for articles on the safeworking systems.Ballarat Tramways Section Staff Darling St Loop Rubicon St Looptrams, tramways, staff, safeworking, tramway staffs, sec, signals

Demonstrates aspects of Safeworking on the Ballarat Tramway system from 1960 to c1936 when replaced by electric signs. Yields Information about the operation of Ballarat's trams and safeworking procedures.Cast brass item with a flat part recessed section with the words "BALLARAT TRAMWAYS SECTION STAFF" cast into the surface and a flat section underneath, flush with the outside edges in which the words "URQUHART ST LOOP TO GREY ST LOOP " stamped in. Has an open rounded end which forms a handle or a point where it could be hung on a peg. Used as a means of authorising a tramcar to have sole use of the track between the named points to avoid head on collisions. Safeworking object - known as a section staff. Not known when made, but in use until the introduction of the electric signalling in the mid 1930's by the SEC. See also Reg Items 934 and 988 for details of use and other examples are at 1851, to 53, 2473 and 4444 to 4448, , 4996 and 4497 and Reg item 934 and 988 for articles on the safeworking systems.trams, tramways, staff, safeworking, tramway staffs, sec, signals

Demonstrates aspects of Safeworking on the Ballarat Tramway system from 1960 to c1936 when replaced by electric signs. Yields Information about the operation of Ballarat's trams and safeworking procedures.Cast brass item with a flat part recessed section with the words "BALLARAT TRAMWAYS SECTION STAFF" cast into the surface and a flat section underneath, flush with the outside edges in which the words "PLEASANT ST TO CARLTON ST LOOP " stamped in. Has an open rounded end which forms a handle or a point where it could be hung on a peg. Used as a means of authorising a tramcar to have sole use of the track between the named points to avoid head on collisions. Safeworking object - known as a section staff. Not known when made, but in use until the introduction of the electric signalling in the mid 1930's by the SEC. See also Reg Items 934 and 988 for details of use and other examples are at 1851, to 53, 2473 and 4444 to 4448, , 4996 and 4497 and Reg item 934 and 988 for articles on the safeworking systems.trams, tramways, staff, safeworking, tramway staffs, sec, signals

Demonstrates aspects of Safeworking on the Ballarat Tramway system from 1960 to c1936 when replaced by electric signs. Yields Information about the operation of Ballarat's trams and safeworking procedures. Demonstrates what can happen in use - has been run over by a tram - possibly being exchanged on the move or some other story.Cast brass item with a flat part recessed section with the words "BALLARAT TRAMWAYS SECTION STAFF" cast into the surface and a flat section underneath, flush with the outside edges in which the words "STURT ST RUBICON ST " stamped in. Has an open rounded end which forms a handle or a point where it could be hung on a peg. The staff has been run over by a tram and had the last part of the object cut off. Used as a means of authorising a tramcar to have sole use of the track between the named points to avoid head on collisions. Safeworking object - known as a section staff. Not known when made, but in use until the introduction of the electric signalling in the mid 1930's by the SEC. See also Reg Items 934 and 988 for details of use and other examples are at 1851, to 53, 2473 and 4444 to 4448, , 4996 and 4497 and Reg item 934 and 988 for articles on the safeworking systems.Ballarat Tramways Section Staff Sturt St Rubicon Sttrams, tramways, staff, safeworking, tramway staffs, sec, signals

Yields information about the ESCo tram fleet and equipment.Handwritten list of ESCo Ballarat Tramcars, titled "Electric Supply Co. of Victoria Ltd - Ballarat Tramway Rollingstock", providing details of the number, type, builder, truck, motors seating, date in service, notes and when sold or scrapped. Also gives details of colours or livery, and controllers. Contained within Reg Item 5507 - Foolscap binder with green covers, black binding edge and metal clips. esco, tramcars, controllers

Yields information about the celebration of the Golden Jubilee of electric trams in Ballarat by the AETA and those who attended a dinner.Newspaper clipping from The Courier, 20/8/1955, titled "50 Years of electric trams in Ballarat", about the visit of the AETA, civic reception, to celebrate the event. Also attending is Mr. G. A. Laurens, who drove the first electric tram in Ballarat. Cr. A. C. Pittard, the Mayor to host the civic reception. See also Reg Item 5349 for associated photograph. Contained originally within Reg Item 5507 at the back of the binder. For items see btm5507 loose items list.pdf aeta, tours, golden jubilee of trams, civic reception

Yields information about Bendigo and Ballarat tramcars and tramways - personal notes.Notebook titled "Bendigo Tramways" formed from a larger note book - with other pages torn from the centre as well, ruled paper. Each page that had been written on has been imaged. Cover - title 1 & 2 - notes re Bendigo tramcars, original No. 1, use of white discs 3 & 4 - notes re Bendigo routes 5 & 6 - Notes re Bendigo tramcars, trucks, controllers and the summer cars. 7 - note re tram 123 ex Melbourne and first public run - 17/12/1945 10 - notes ret original Ballarat electric tramcars 20 - Ask MrNaught re dates cars sold, C class and Birney trams in Bendigo 27 & 28 - notes re tram stops in Ballarat 29 - ditto rear cover - Office Manager in Ballarat - Mr. E. C. Kirton, since 15/7/1953. Contained originally within Reg Item 5623 at the front of this note book. For items see btm5623 loose items list.pdf. trams, tramways, bendigo, ballarat, tramcars

Yields information about Bendigo tramcars - provided in a list form that enabled sharing of the information with others.Hand written list of Bendigo tramcars on buff colour ledger paper - ruled with blue and red lines - two sheets or four pages listing tramcar numbers, builder, date in service, and whether sold or scrapped. Has "Please Return" on top right hand corner of first sheet. Page 1 - Bendigo Battery and Steam tram motors. Page 2 - Steam trailers Page 3 - Electric trams - with information through to 1943 Page 4 - Electric trams, electric trailers (double deck), and when last used and water tank scrubber - Bush of 1908, noted as "still in action". No mention of any bogie tramcars, so presumed made c1944 Contained originally within Reg Item 5623 at the front of this note book. For items see BTM5623 loose items list.pdf. bendigo, steam tram motors, trailers, tramcars

Typed notes on foolscap paper, carbon copy titled "New South Wales Government Tramways (Page 16) - North Sydney System", one page only. Describes the North Sydney cable trams, cars, early electrification extensions to Spit Junction and replacement by electric trams and the reuse of the tramcars in King St. Sydney. Source unknown. Contained originally within Reg Item 5623 at the front of this note book. For items see btm5623 loose items list.pdf.tramways, cable trams, sydney

Book - 16 pages + grey covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, Tentative Australian Standard C.43-1927, "Parallel sided carbon brushes for DC Commutator Machines". Dated Dec. 1927. Provides an index and information about carbon brushes including drawings.On top right hand corner has stamp of the "The Electric Supply Co. of Victoria Ltd Ballarat" and date "19 May 1928".trams, tramways, tramways, electrical equipment, motors

.1 - Book - 20 pages + light grey cover, issued by the British Engineering Standards Association, British Standard Specification for "Cast Steel Wheel Centres for Electric Tramcars". Dated April 1922. Has standard Number 150-1922. Provides materials specification, testing and an index. .2 - Book - 16 pages + light grey cover, issued by the British Engineering Standards Association, British Standard Specification for "Wrought Iron Wheel Centres for Electric Tramcars". Dated April 1922. Has standard Number 149-1922. Provides materials specification, testing and an index. Both copies has the stamp of the "Tait Book Co. 90 William St. Melbourne" on the lower edge and in the top right corner, the ESCo Ballarat company stamp and the date "14 September 1923". trams, tramways, tramways, electrical equipment, wheels

Book - 24 pages + grey covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, Tentative Australian Standard C.2 - 1925, "Electrical Performance of Traction Motors - Direct Current Series Wound". Dated Dec. 1925. Provides an index and information about enclosures, ratings, testing and information to be supplied.On top right hand corner has stamp of the "The Electric Supply Co. of Victoria Ltd Ballarat" and date "17 April 1934".trams, tramways, tramways, electrical equipment, motors

.1 - Book - 12 pages + brown covers, side stapled, issued by the Australian Standards Association, "AC Electric Arc Welding Plant - Transformer type", C97-1942, July 1942. .2 - Book - 40 pages + grey covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, Tentative Australian Standard B1 - "Brass water fittings - stop, bib, globe and ferrule or main taps", B1-1928, August 1928. .3 - Book - 20 pages + grey covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, Tentative Australian Standard B4 - "Vegetable tanned leather belting", B4 - 1929, January 1929. .4 - Book - 16 pages + grey covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, Tentative Australian Standard B3 - Rubber Conveyor and Power Transmission Belting", B3 - 1929, March 1929. .5 - Book - 8 pages + green covers, side stapled, issued by the Australian Standards Association, "Maintenance of Portable Chemical Fire Extinguishers of the Acid-Alkali and Foam Types", CA 18-1941, May 1941. .6 - Book - 16 pages + grey covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, Tentative Australian Standard B2 - "Copper Tubes", B2 - 1928, July 1928. .7 - Book - 28 pages + grey covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, Australian Standard A2 - "Portland Cement", includes tests, A2-1926, December 1926. On top right hand corner has the date stamp of the "The Electric Supply Co. of Victoria Ltd Ballarat" .2 - 3 Sep 1928 .3 - 19 Jan 1929 .4 - 3 Apr 1929 .5 - SEC Stamp - ? 1941 .6 - 20 July 1928 .7 - 17 Apr 1934trams, tramways, power station, standards, materials

Yields information about a Geelong tram that was later to become a Ballarat tram.Black and white print of Geelong No. 39 and a single truck tram at the Newtown terminus while operating the Australian Electric Traction Association's special tram tour of Geelong on 2/4/1955. Tram has destination of "SPECIAL" and an auxiliary board of "CHARTERED" and AETA tour board on bumper bar. See also Reg items 486 and 1549 for similar photographs.On rear in ink "Chilwell PMTT MMTB E39, Geelong 39 Ball 41"trams, tramways, geelong, aeta, newtown, tram 39

Book - 8 pages + grey covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, "Elimination of Waste - Standardization Simplified Practice". Dated February 1927. Provides information about why standards and common practices.On top right hand corner and inside the cover has stamp of the "The Electric Supply Co. of Victoria Ltd Ballarat" and date "7 March 1927".trams, tramways, standards

.1 - Book - 8 pages + grey covers, side stapled, issued by the Australian Standards Association, "Electrical Voltages and electrical frequencies for new installations ", C1 (a&b) - 1926, December 1926. .2 - Book - 36 pages + grey covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, Tentative Australian Standard - "Overhead Line wire material for telegraph and telephone purposes", C3-11-1925, November 1925. .3 - Book - 20 pages + brown covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, Tentative Australian Standard - "Telephone cable, paper insulated lead covered", C12 - 1928, January 1928. .4 - Book - 24 pages + grey covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, Tentative Australian Standard - "Marking for Switchboard bus-bars and connections" C13 - 1925, December 1925 - with a pasted green label noting that the "tentative standard is now endorsed as Australian Standard without amendment" - dated Oct. 1930. .5 - Book - 32 pages + grey covers, side stapled, issued by the Australian Standards Association, Tentative Australian Standard "Dimensions and Resistances of Bare Annealed Copper Wire for Electrical Machinery and Apparatus", C 18-1926, October 1926. .6 - Book - 12 pages + grey covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, Tentative Australian Standard "Slate Slabs for Electrical Purposes", C19 - 1926, July 1926. .7 - Book - 16 pages + grey covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, Tentative Australian Standard - "Moulded Flat Top Insulation Bushes" C20-1926, October 1926. .8 - Book - 16 pages + brown covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, Australian Standard "Insulation dimensions and resistance of enamelled plain copper wire for instruments and apparatus" C21-1928, January 1928. .9 Book - 20 pages + grey covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, Tentative Australian Standard - "Watertight Glands for electric cables" C22-1926, September 1926. .10 - Book - 20 pages + grey covers, side stapled, issued by the Australian Commonwealth Engineering Standards Association, Tentative Australian Standard - "Air-break knife switches and laminated brush switches for voltages not exceeding 660Volts" - C23 - 1926, August 1926" On top right hand corner has the date stamp of the "The Electric Supply Co. of Victoria Ltd Ballarat" trams, tramways, power station, standards, materials, electrical systems