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aircraft appointed Association atomic automatic Birmingham British British Electricity Authority British Thomson-Houston busbar cable cent Centre chairman circuit circuit-breakers coil contacts cost director Electrical Engineers electrical industry Electricity Board electricity supply electrification electronic English Electric erection Exhibition export factor February 15 fitted flashover fluorescent frequency fuel gear heaters heating House hydro-electric increase installation Institution of Electrical insulation January 19 January 20 lamps load locomotives London machine manager manufacturers ment meters Metropolitan-Vickers Midland Midlands Electricity Board million motor Newcastle upon Tyne Office operation output p.m. February p.m. January p.m. March plant power station production radio railway electrification Railways range reactor relay Road scheme speed standard steel street lighting switch switchgear technical telephone temperature Tenders three-phase tion trade transformers tubes turbine unit voltage wiring