150 [supplement page X.] THE COLLIERY GUARDIAN. July 19, 1918. FIRE BRICKS. BLAST FURNACE, COKE OVEN, CUPOLA, SPECIAL BLOCKS ano TILES. WSSSSbw 1 FOR MODERN HIGH TEMPERATURE REQUIRE- MENTS. MUFFLES, CRUCIBLES, &c. QUICK DELIVERIES. Gun Metal Wheel Valve. --- HIGH-CLASS - Incline Haulage ROLLERS. IMMEDIATE DELIVERY FROM STOCK. ALFRED STEEL & SONS LTD., MEADOW HALL ROAD, BRIGHTSIDE, SHEFFIELD. Telephone—2633 CENTRAL. Brass, Gun Metal, and Phosphor Bronze Castings. SAMUEL BIRKETT & SONS (Cieckheaton) Lion Brass Works, CLECKHEATON. LTD- TYNOS. “Bitromarc” Solution A highly efficient Bituminous, Anti- Corrosive Black Enamel Paint for Iron and Steel Structures, Corrugated Iron, Ships’ Holds, Bunkers, &c. SOLE PROPRIETORS. S. T. TAYLOR & SONS, Tynos Works, SCOTSWOOD-ON-TYNE. Tri. N«.: 63 C..lrri. Tri. Addr-.: “C.m^, Sc«.-o.d," T J.B. TREASURE £rC° HUGE VflUXHRLL R5 c LIVERPOOL- GAUGE GLA5S WASHERS f LUBRICflT0R5nc L/5T5 0* #PPl/C/rr/M. LA55E5 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 ary 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.