168 THE COLLIERY GUARDIAN. January 26, 1917. 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 PERFECTsizing&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. --SIZES----- TO CARRY 3 and 5 TONS. With or Without Tipping Bodies. MANN’S STEAM CART & WAGON Co. Ltd., Hunslet, LEEDS. London Office : 9, Fenchurch Avenue, E.C. THE COTTON POWDER Co. Ld„ Manufacturers of Explosives for Mining Purposes. DE¥ nftUIDED Kt A rUWULK NEW PERMITTED EXPLOSIVE For all kinds of work. HEAD OFFICE: 24, WALBROOK, LONDON, E.C. •HiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiimiifflmifflffliiiiiiiiiiiiiiiniiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiHiiiiiiiiiiiiiiiiiiiiiiiiiHiHiiiiiiiiiimiiiiiiiiiiiiiiiiiii