612 THE COLLIERY GUARDIAN. March 22, 1918. [supplement PAGE VI.] ERNEST PEARCE & Co Sterling Steel Works, SHEFFIELD London Address—Lloyd’s House, 6, Lloyd’s Avenue, London, E.C. 3. STERLING SUPERIOR High Speed Steel STERLING GRAND High Speed Steel DOUBLE STERLING” Crucible Cast Steel for Drills, &c MINING DRILL STEEL of every description. NICKEL CHROME AND OTHER ALLOY STEELS Birmingham Address—14, Temple Street, Birmingham. Telephone No.—10859 Central, London. Telegraphic Address—“ Dringend Fen, London. Telephone No.—5879 Central, Birmingham. Telegraphic Address— “ Glacier, Birmingham, ........ Manufacturers of Steel, Files, Hammers, &c. .......................................................................................................................................ihiihiiiiiiiiihiii Telephone— 3185 Central. Telegrams— Universal, Sheffield. EWART’S TYPE CHAINS For COLLIERIES and MINES, &c. Elevator Buckets. Sprocket Wheels. GEO. W. KING Ltd., Stratford, LONDON, E. 15 Telegrams—“Agrikinger, London.” Telephone—18 and 662 Stratford. QUALITY m SWITCH GEAR. UOUID SWITCH GEAR of HIGH- CLASS MAKE and GOOD DESIGN. WRITE for LIST No. 60 with PRICES and OUTPUTS. J. H. HOLMES & 00., Newcastle-on-Tyne. ECHAPICAL ENGINEERING OF COLLIERIES. T. c. pWs. Vol. I., Price ais. net (By post 21s. 8d.). Vol. 11., Price ios. 6d. net (By post Ils.). SUPPLEMENTARY VOL.—Price ios. 6d. net (By post Ila.). THE COLLIERY GUARDIAN CO. LTD., 30 A 31, Fumival Street, Holbora, London, E.C. 4 Founded 1899. WATER AND WATER ENGINEERING. Price 6d. monthly. Annual Subscription, 7/6 post free (payable in advance). Offices— 30 & 31, Fubnival Street, Holbobn, London, E.C. 4 CHEAP HORSE AND CATTLE FOOD. Horse Carrots................................40/- a Mangolds.....................................25/- ( „ Swedes ......................................40?- fperton- Table Carrots................................50/- J All good sound roots. Free on Rail. HORACE TAYLOJR, FARMER, CHATTERIS, CAMBRIDGESHIRE. GOODWIN BARSBY&C9 Brwe’Bdpatent Friction Clutches &> Hauling Installations A SPECIALITY ______SEE ADVERTISEMENT LAST ISSUE, PAGE 567. Sole Makers— DAVID BRIDGE & CO. LTD. Haulage Works, CASTLETON, Manchester.