June 5, 1914. THE COLLIERY GUARDIAN 1233 IMPROVED Manchester Exhibition District Jeffrey : WELDED TUSES up to 36 in. diameter, for ----— MINING, GAS AND WATER. ----------------------- EDWIN LEWIS & SONS, WOLVERHAMPTON. WORKS : Telegrams—“Lewis, Wolverhampton.” Patent Iron Tube Works, Monmore Green. London Address—143, Cannon Street, E.C. Telephone—No. 15 Wolverhampton. Britannia Tube Works, Ettingshall. Liverpool Warehouse—58, South John St, The PREMIER Screen in the WORLD IS NORTON'S PATENT HORIZONTAL MAIN SCREEN. REQUIRES NO SPECIAL FOUNDATION. Will work continuously WITHOUT BOLTING DOWN. Will Screen more efficiently than any other screen. Nearly 150 Screens new at work. For P ERFECTsizing & loading USE PULSATING CONVEYORS AND PULSATING LOADING JIBS (NORTON’S PATENTS). We are constructing and erecting more than one complete Screening Plant every month. Capacities 2,000 to 5,000 tons per day, NORTON’S PATENT HORIZONTAL MAIN SCREEN AND COMBINED PICKING CONVEYOR, fitted with our Patent Air Cushioning Cylinders The Screen illustrated is 5 ft. 6 in. wide having 4 decks, and will deal w’ith 125 tons of coal per hour separating into 4 sizes, and passing the large coal without any fall to the Picking Conveyor. Three of the above screens are erected in one plant which contains 7 other Norton’s Patent Horizontal Screening Conveyors. NORTONS (TIVIDALE) LTD., HECLA Works, Tipton, England.