January 4, 1918. THE COLLIERY GUARDIAN. 0 WELLS' WATER OIL FILTERS With Patent “Sight-feed” Syphons. Over 22,000 Sold. 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), 17 in. by 9 in. 1 15 0 No. 2 —Capacity about 3 gallons oil, 22 in. by Win. 2 10 0 No. 3.—Capacity about 6 gallons oil, 27 in. by 12 in 3 10 0 No. 4.—Capacity about 12 gallons oil, 36 in. by 16 in 5 10 0 No 5.—Capacity about 24 gallons oil, 43 in. by 23 in ... 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 Outside 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 brusbwork. 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. 6a, with detachable pail ... £5 S 0 No. 6, handy size, with tank, and wheels ... ... ... £6 15 0 No. 4, with 5 ft. poles, single spray- ing nozzle, and 15 ft. special armoured hose, capacity 8 gallons .................... £8 5 0 No. 4a, the same as No. 4 but with strong wheels, and under- frame ........................ £9 0 0 No. 5a, large machine, with wheels, 5 ft pole, double spraying nozzle and 20 ft. hose, capacity 12 gallons ... £11 5 0 Over 6,000 Sold, :■ : ■ PRICES SUBJECT TO CURRENT RATE OF ADVANCE. A.C.WELLS&Co.s;1“"wt London BLOWING AND EXHAUST FANS 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. FniiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiH VALVES LAKEBOROUGH VALVES J. BLAKEBOROUGH & SONS Ld., BRIGHOUSE (Yorks).