May 30, 1913. THE COLLIERY GUARDIAN. 1145 o5RAD£ REG? TRADE MARK Luhrig Coal and Ore Dressing Appliances Limited, Engineers and Contractors for COAL WASHING & ORE DRESSING. PERFORATED PLATES IN ALL DESIGNS. TIPPLERS, SCREENS, PICKING BANDS WITH AUTOMATIC Head Office - 32. Victoria Street, AND COAL LOADING LOWERING ARM. London, S.W SOLE . AK E R 81 F. R EDDAWAY & PENDLETON. MANCHESTER. LONDON OFFICE 5O/l LIME ST.,E.C. CO 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 COAL-CUTTING MACHINE. See Full Page Advertisement Monthly SOLE MAKERS AND PATENTEES-. JOHN GILLOTT