712 THE COLLIERY GUARDIAN. April 13, 1917. JOHN WOOD & SONS, L1" Engineers, BARLEY BROOK FOUNDRY, WIGAN. 1OO-H.P. “ENDLESS” Telephone—No. “ 5 5 ” Wigan. Telegrams—“ Haulage, Wigan.” Uoob 4 :«r Mam Fitted with AUTOMATIC BRAKE and Improved “ OUTSIDE- BAND” FRICTION CLUTCH. Haulage Gears of every type. , PUMPING & AIR COMPRESSING ENGINES. PRINCEPS PATENT “DEFLECTOR” OIL SEPARATOR. Save Money - Save Coal - Save Steam Capacity, 300,000 lbs. of steam per hour, 60" diameter main. ONE OF THE LARGEST EXTRACTORS MADE IN THIS COUNTRY. PRINCEPS & CO., Engineers, SHEFFIELD. By adopting FORREST’S PATENT AUTOMATIC Cylinder DRAIN COCKS on your Compound, Winding, Hauling, and all your Stationary Engines, Steam Winches, &c. (Thousands in use), now fixed on most new Engines turned out by leading Engineers. The Safest Automati; Drain Cock ever fixed on Com- pound Condensing Engines, most positive in action. Makers of High-class Gunmetal Gland Taps. Wheel Valves, &c, Class B For Prices, Particulars and Testimonials, apply Sole Makers, APPLETON & HOWARD, Br*gXd:rr”"<’ST. HELENS, LANCS. Contractors to the War Office. Established 1800. — Telephone No. 57 7 BRASS TIME CHECKS JOHN LAWSON A SONS, Manufacturers of every kind of STEEL STAMPS, LETTERS, FIGURES, BRANDS, STENCIL PLATES, Ac. Roebuck Letter Works, 26, Carver Lane, SHEFFIELD. AHEPPflRDm LTD., BRIDGEND, SOUTH WALES/ We have Specialised in this class of Machinery, and have designed and made more than all other firms combined. References to users are invited. Established 50 Years.