628 [supplement PAGE XII.] THE COLLIERY GUARDIAN. September 20, 1918. 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. Over 150 Screens now at work. For PERFECT sizing & loading USE PULSATING CONVEYORS AND PULSATING LOADING JIBS (NORTON'S PATENTS). 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 four decks, and will deal with 125 tons of coal per hour separated into four sizes, and passing the large coal without any fall to the Picking Conveyor. NORTONS (TIVIDALE) Ltd., HECLA Works, Tipton, England. Quick Delivery From Stock. 3 MEDIUM AIR MACHINES. 2 SMALL 1 SMALL ELECTRIC „ HURD COALCUTTER AND ENGINEERING Works : 35, Pitt Street, GLASGOW. CO., IVTAPS of British Coalfields. Scotland. 2. North of England. 3. South Wales. 4. North Midlands. 5. South Midlands. Sheet, 4s. each; Mounted on Cloth on Rollers, or in Case, 6s. each.-THE COLLIERY GUARDIAN CO. LTD. 30 & 31, Furnival-street, Holborn, London, E.C. 4. John Tonks&C0- QffffP Manufacturers of SPRINGS & SPRING WASHERS For Engineering & General Use. CJ