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Proceedings Anncal General Meeting February Business
George 8tkphenson 184748 Deceased 1848
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acid algae alumina ammonia amount apparatus Associate Member bacteria Candy filter carbonate cast-iron cent chemical chisel point chlorine cleaning coagulant Committee considerable construction cost Council cutting angle cylinder diameter of drill dissolved effect efficiency effluent Electrical equation experiments feed film filter-beds filtered water filtering medium filtering skin filtration finishing filter growth inch increased installation Institution iron Jewell filter Joseph Whitworth Journal layer lime Liverpool Locomotive London lubricant machine Manchester Mechanical Engineers mechanical filters Messrs million gallons minute National Physical Laboratory obtained operation ordinary organic matter oxide ozone Paper peaty plankton plant Plate polarite practically precipitation Proceedings Puech quantity Railway raw water regard removed Report reservoir revolution revolutions per minute roughing filters sand sand-beds screw sediment slow sand-filters soft cast-iron Southport speed steel sterilization stream supply surface temperature tests thread thrust tool torque trials twist-drills washing waterworks watt-hours