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alternator arranged automatic Babcock and Wilcox back-pressure boiler feed boiler house boiler plant British British Electricity Authority carbon cent chamber coal combustion Company condensate connected control gear cooling tower corrosion cost designed diameter drive economiser efficiency electrical equipment Exhibition factor feed pump feed water fitted float switch flow flue forced draught furnace gas turbine gases gauge governor heat transfer heater heating surface high-pressure hour increase indicator industrial inlet installed instrument Lancashire boiler load London low-pressure lubrication manufacture maximum mechanical ment Messrs metal meter method Metropolitan-Vickers moisture motor obtained operation orifice plate output pass-out pilot valve Plant Engineers Power Station recording reduced registering instrument regulator shown speed steam turbine steel stoker superheater supply temperature tion tubes turbo-alternator unit water-tube boilers welded whilst