786 THE COLLIERY GUARDIAN. April 19, 1918. There is So years' experience behind “ TULLIS ’ Belting at your service. — Send for our H Dept. Cata- logue which is fully illustrated. — It will interest yon Driving Promote Power Lami P rot e c t i Belts Efficiency THE PATENT EDGE lengthens the life of the Belt, prevents slip and greatly increases output. S' ■ - SPECIALITIES: “DOUBLE MINING DRILL STEEL of every description. Telephone— 3185 Central. “STERLING GRAND" Sterling Steel Works, SHEFFIELD. London Address—Lloyd’s House, 6, Lloyd’s Avenue, London, E.C. 3. Birmingham Address—14, Temple Street, Birmingham. Telephone No.—10859 Central, London. Telephone No.—5879 Central, Birmingham. Telegraphic Address—“ Dringend Fen, London.” Telegraphic Address—" Glacier, Birmingham,” HiiiiiiiiiiiHiiiiiiiiiiiiiiiiiHiiiii Manufacturers of Steel, Files, Hammers, &c. 'HiinnHniiiHHiii.iiiiiiiiiihii! ERNEST PEARCE & Co Telegrams— “Universal, Sheffield.” “STERLING SUPERIOR”.* M s... High Speed Steel Best “DOUBLE DIAMOND”Crucible Cast Steel for Tools (finishing) ” Cast Steel for Taps and Dies. “STERLING” Crucible Cast Steel for Drills, &c. NICKEL CHROME AND OTHER ALLOY STEELS.