February 22, 1918. THE COLLIERY GUARDIAN. [supplement PAGE XIII.] 411 THE STRONGEST PERMITTED DTNOBEL No. 3. ARRANGE TRIALS WITH NOBEL’S EXPLOSIVES CO. LTD., GLASGOW. Drop-Forged Shells. Drop-Forged Catches. Drop-Forged Levers. Drop-Forged Couplings. ILLUSTRATED CATALOGUE. A and B Couplings and many others. The 1912 lever has large lateral stops and a wedge-shaped shouldered head. The catch C is not essential. SMALLMAN patent HAULAGE CLIPS. British Patents No. 8476 of 1906 ; No. 19533 of 1910 ; No. 9983 of 1911 ; and No. 4362 of 1912. Automatic Detachment. 1912 Pattern ; nine sizes. Patentee and Sole Manufacturer:— JAMES W. SMALLMAN, Nuneaton, England. —EXACT— (Safety First) BELTS & RIGS. By having a pit-set of HOLDEMRITES at each of your shaft pits you enable each man to do his work thoroughly— safely— quickly—cheaply. Prices— A. HANLEY, THIRLMERE, SHEFFIELD. -EM- -RITE Safety-First Belt-Rig_ The PREMIER Screen in the WORLD is Norton’s Patent Horizontal Main Screen NO I If* 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. Th* Screen illustrated is 5 ft. 6 in. wide, having four decks, and will deal with 125 tons of ■seal 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.