424 THE COLLIERY GUARDIAN. March 2, 1017. W. G. Allen & Sons (tiptoni Ltd, Primes End, TIPTON. s Bl HAULAGE CLIP. TELEGKAPHIC ADDRESS—” ALLENE, UPTON." TELEPHONE—No. 37, TIPTON. ' ‘Wl'ilW W G ALLEN WHas* COLLIERY tubs OF M.L KINDS I: z-'GL1'' ' "ztt'i.',. Bns. j o OFALLKlNDs H L? /< ./'(SAL . We have Specialised in this class of Machinery, and have designed and made more than all other firms combined. References to users are invited. Established 50 Years. ANTHRACITE COAL AND PLANT LTD BRIDGEND, The PREMIER Screen in the WORLD is Norton’s Patent Horizontal Main Screen nor 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.