800 THE COLLIERY GUARDIAN. April 27, 1917. W. G. Allen & Sons (tipton) Ltd, HAULACE CLIP. TELEGEAPHIC ADDRESS—" ALLENS, UPTON.' TELEPHONE—No. 37, TIPTON. >p- ■ " • iw^nnmFl W G ALLEN J &SONS j Mins. ifcl°N. L M /Ml /-fa-. ho '■ ..•< | COLLIERY tubs | OF ALL KINDS „..1: IW COLLI FDv-r,. L 0FalLKINDs . ■■ - ST A N L E Y- War Universally acknowledged to be the very best in design, material, workmanship and finish. Our Instruments are as perfect as it is possible to make them. Please send for our “ K. 12” Catalogue, and compare our prices with those of other first-class makers. Stanley’s Plain Hedley Dial. The Largest Manufacturers of SURVEYING and DRAWING INSTRUMENTS in the World. W. E STANLEY & CO. LTD., 286, HIGH HOLBORN, LONDON, W.C. FUEL OIL for industrial furnaces, Diesel engines & merchant ships. Brotherton & Co. Ltd We supply a clean, high-grade fuel oil. WORKS- Middlesbrough Sunderland Wakefield Workington WORKS— Birmingham Glasgow Leeds Liverpool City Chambers, Leeds 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.