June 6, 1913. THE COLLIERY GUARDIAN. 1169 The Luhrig Coal « Ore Dressing Appliances Ltd., -------------------- SPECIALISTS IN --------- Coal Washing and Ore Dressing. The Luhrig Process of Washing Coal Extensively Adopted. OVER 200 PLANTS Erected, and in Course of Erection. Capacity from 150 tons to 2,000 tons per day of 8 hours. Designs Specially Prepared to suit Local Requirements. INSPECTION OF PLANTS WORKING INVITED. All Machinery of British Manufacture. Disintegrators. Tipplers. Screens. Picking Tables. Loading Belts. Conveyors. Elevators. Pumps. Crushing Rolls. Ore Dressing Machinery. Ore Breakers. Stamps. Ball Mills. Hydraulic Classifiers. Pulsating Jigs. Concentrating Tables. (Buss’ Patent). LUHRIG VANNERS, Improved Classifying Drums. Vibrating Screens. Slimer. (Buss’ Patent). Type. TESTS MADE WITH ALL CLASSES OF MINERALS AT THE COMPANY’S TESTING WORKS, LONDON. Telegrams—“Nettoyage,” London. HEAD OFFICE : Telephone—No. 160 Victoria. 32, VICTORIA SI, LONDON, S.W.