February 1, 1918. THE COLLIERY GUARDIAN. 219 WELLS’ WATER OIL FILTERS yj 111111111111111 num iiiiiiiiiiiiiiiiiiiiiiiiiiii iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiin i^‘ With Patent “Sight-feed” Syphons. Over 22,000 Solti. Supplied to the Principal Gasworks, Corpora- tions and Leading industrial Firms. Pay first cost in a short time, as Dirtied Oil, which has hitherto been thrown away, can be filtered and used again and again. No. 1.—For users having only a small quan- £ s. d. tity of oil to treat (no syphon), 17in. by9in. 1 15 0 No. 2.—Capacity about 3 22 in. by 10 in. gallons oil, 2 10 0 No. 3.—Capacity about 6 27 in. by 12 in. gallons oil, 3 10 0 No. 4.— Capacity about 12 36in. by 16 in. gallons oil, 5 10 0 No 5.— Capacity about 24 43 in. by 23 in. gallons oil, 9 9 0 No. 6.—Settling chambers holding about 50 gallons oil, 60 in. by 30 in. ... 19 10 0 Wells’ “Lightning”Lime & Colour Washer (Wallwork & Wells’ Patent). A Great Saving of TIME, LABOUR & MONEY. No Out side Power Required. Lime Whiting or Cold Water Paints applied at a speed of from 10 to 20 square yards per minute in a manner superior to brushwork. One coat with the machine on rough surfaces is equal to two applied with brushes. Will Save First Cost in a Few Days. ENLARGED PATTERNS. REDUCED PRICES. No. No. No. No. No. 6a, with detachable pail ... £5 6, handy size, with tank, and wheels ... ... ... £6 4, with 5 ft. poles, single spray- ing nozzle, and 15 ft. special armoured hose, capacity 8 gallons ... ... ... £8 4a, the same as No. 4 but with strong wheels, and under- frame ... ... ... £9 5a, large machine, with wheels, 5 ft pole, double spraying nozzle and 20 ft. hose, capacity 12 gallons ... £11 5 0 15 0 5 0 0 0 o Over 6,000 Sold. 5 PRICES SUBJECT TO CURRENT RATE OP ADVANCE. A. C. WELLS &Co.sKi, London PATENTED BUCKETS. S, your waler .40^ end of pump gives you trouble, Write us for List B. NEVER PASS. PUMP BUCKETS Flexible “rings The Rings are Flexible, they Expand Automatically to Pressure, are Always Tight, are not Split, do not cause Uneven Wear, Reducing Friction to a Minimum. SOLE PROPRIETORS: DGJCIN6 ’ Ltd., Stratford, London, E. 15 Telegrams: Telephone: “ Dexine, Stratford, London.” 355 Stratford. BLOWING AND FANS EXHAUST FOR BLOWING BRAZING, RIVET HEATING and FORGE FIRES, LOCAL VENTILATION of TUNNELS and MINE DRIFTS, &c. These Fans are strongly built to withstand hard usage, and are HIGHLY EFFICIENT. JAMES KEITH & BLACKMAN Co. Ltd. 27, Farringdon Ave. : : LONDON, E.C. 4. “ BLAKEBOROUGH ” VALVES. BEST FOR ALL PURPOSES. J. BLAKEBOROUGH & SONS U? BRIGHOUSE, YORKS.