created by the British Thomson-Houston during the interwar years. The manual relates to magnetos they produce for aircraft engines.aircraft magnetos, british thomson-houston

Drawing - Quarto blue print, British Thomson Houston Pty Ltd, Drawing No. XD13398, Dimensions of MR4EE Circuit Breaker, Cat No. C5708 - dated 24 May 1912. Similar to the type used on Ballarat single truck trams.drawings, british thomson houston, circuit breakers, electrical equipment

This is a WW2 Morse code Signalling Lamp B 5A/2334 in its original wooden box. It was probably manufactured by BTH (British Thomson Houston), who were manufacturers of the iconic ‘Aldis Lamp.’ It was used for signalling ship to aircraft and ground to aircraft using morse code.Timber transit box with with hinged opening top secured by non return catches containing black metal round lamp with glass face attached to a low square stand. There are two metal bars attached to lid.Inside lid - Ref No 5A/2338 or 0? Hand painted in white SOS …—-… Box front face - printed in white and barely legible “small lamp”

Letter from the Australian General Electric Co. Ltd, agents for General Electric and British Thomson Houston (BTH) tramway equipment to ESCo Ballarat regarding spare parts for B-49 controllers manufactured by BTH. Enclosed a copy of the B-23 controller which had similar parts. Dated 13/9/1924.Demonstrates the issues of spare parts for old equipment.Letter typed on quarto sheet - has a water mark and the GE ad BTH logos.tramways, tramcars, controllers, general electric, bth, spare parts

Set of four black and white photographs of interior and equipment of the former ESCo / SECV Wendouree Parade Ballarat A power station sent to the Editor of Trolley Wire - used in the November 1997 issue of Trolley Wire. All photos by Richard Gilbert. Photos taken on 20/8/1971. All photos on Kodak paper. 1144.1 - Looking along building at main distribution switch panel - used on page 24 of trolley wire. 1144.2 - a view across the main steam generator section of the power station - and AC plant - used on page 23. 1144.3 - of the British Thomson Houston rotary converters in used at the time of the photo - used on page 23. 1144.4 - a view from the opposite end of the building shown in 1144.1 - showing the rotary converters are in the front of the photo, AC generators in the middle and foreman's cabin - used on page 22. All have yellow stickers with photo number for magazine printer, and white sticky labels with photo number and words "photo xx same size" written on black ink and photo numbers in pencil from Richard.trams, tramways, trolley wire, esco, power station, ballarat a power station, rotary converters

List - large folio or double foolscap sheet titled "Distribution Department - Men Employed in Erection of Substations", Lists substation name, date in service, whether a manual or auto sub-station, Wireman (electrician who ran the cables), makers of auto equipment, "Emerg Insp 1945-1946" and comments on the performance of the wireman or other comments: Lists Ascot Vale Brunswick Road Camberwell Coburg Deepdene Elsternwick Essendon Glenhuntly Hawthorn Holden St Kew Malvern Maribyrnong Preston Richmond South Melbourne South Yarra St Kilda West Brunswick Carlton Crombie Lane Footscray Dates from 1910 to 1946. Document part of the employment appeal case between Cassidy and Parris and others. See Key Associations for name of Foreman and Wireman. Lists the abbreviations for each manufacturer. GE - General Electric Co of USA WH - Westinghouse electric manufacturing Co of USA BTH - The British Thomson Houston Co. England EE Co. - The English Electric Co. MMTB See htd4574doc for a list of the file contents provided by Peter Hogan.trams, tramways, mmtb, electrical engineering, mmtb, engineers, personnel, substation, contracts