December 29, 1916. THE COLLIERY GUARDIAN. 1295 NOBEL’S Permitteds No. 3 18 oz. Charge Limit N B N THE TWO Strongest Explosives UNDER THE NEW REGULATIONS No. 4 30 oz. Charge Limit. Nobel's Explosives Co. Ltd., Glasgow. JOHN WOOD & SONS, LTD Engineers, BARLEY BROOK FOUNDRY, WIGAN. Fitted with and Improved FRICTION CLUTCH Telephone—No. ‘ 5 5 ” Wigan. BAND” Telegrams—“ Haulage, Wigan “ OUTSIDE 100-H.P. “ENDLESS” AUTOMATIC BRAKE 'AV" * fr' £ Haulage Gears of every type. WINDING, PUMPING & AIR COMPRESSING ENGINES.