May 2, 1913. THE COLLIERY GUARDIAN 933 SOLE MAKERS F. RED DAW AY & Lc?; . PENDLETON. ■ MANCHESTER. LON DO N OFFICE . 50/l LIME ST.,E.C. Luhric Coal and Ore Dressing Appliances Limited, Engineers and Contractors for COAL WASHING & ORE DRESSING PERFORATED PLATES IN ALL DESIGNS. TIPPLERS, SCREENS, PICKING AND COAL LOADING RANDS WITH AUTOMATIC LOWERING ARM. Head Office 32- Victoria Street, London, S-W. ANNALS OF COALMINING & THE COAL TRADE. BY ROBERT L. CALLOWAY. Price aSs. net. The Colliery Guardian Co. Ltd., 30 & 31, Furnival Street, Holborn, London, E.C. NEW SPECIAL RULES FOR THE Installation and use of Electricity in Mines. WORKMEN’S NOTICES in connection with the above, under Rule 4, &c., on THEEDAM’S ELASTIC 1 ENAMELLED PLATES (Not Varnished Paper on Plates). on application— E. 0. THEEDAM LTD., DUDLEY. Gillott’s Improved Patent ROTARY CDAL-CUTTING MACHINE. See Full Page Advertisement Monthly SOLE MAKERS AND PATENTEES- JOHN GILLOTT &, SON, XeELZiCEUErtei' Works, BARNSLEY Send for Illustrated Circular B, post free. Yorkshire, England.