Mechanical World and Engineering Record, Volume 106

31 King Street Air Ministry alloys aluminium amount application Bars belt boiler British carbon cast iron centre coal Company Limited conveyor copper corrosion cost crane crankpin CURRENT WEEK cutting cylinder diameter disc drill drive efficiency electrical Engineering equipment factory flange forging Foundry furnace gauge gear Harland and Wolff heat Hematite humidity hygrometer increase industry installed internal-combustion engines King Street West lathe load London lubrication Manchester manufacture material maximum MECHANICAL WORLD melting ment metal method mill motor nickel obtained operation Patent pig iron pipe plant plate post free pressure PREVIOUS WEEK production pump readers repulsion motor screw shaft sheet Sheffield shown speed spindle steam steel stress suitable supply surface temperature tensile tensile strength testing thickness tion tons Trade TRAFFORD PARK tube unit valve vapour welding