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31 King Street alloy aluminium annealing application bearing boiler British calling for tenders Cammell Laird carbon Cardiff cast chromium coal Company Limited contract Correspondent cost Current Week cutter cutting cyanide cylinder diameter dividend efficiency electric engine factory fitted flange Forge Foundry fuel furnace gauge gear heat heater Hematite increase industry installed iron Johannesburg joint King Street West load London lubrication machine Manchester manufacture material Mechanical World ment metal method mild steel milling milling cutters motor moulding obtained operation Patent pipe plant plate possible practice pressure production pump roller screw shaft sheet Sheffield shown in Fig sodium hydroxide South African Railways South Wales speed spindle spring steam stress suitable superheater supply surface temperature tion tons tool town gas Trade Report tubes turbine valve vessels welding wire