62 THE COLLIERY GUARDIAN. January 14, 1916. THE COTTON POWDER Co. Ld„ Manufacturers of Explosives for Mining Purposes. NEW PERMITTED EXPLOSIVE For all kinds of work. HEAD OFFICE: 24, WALBROOK, LONDON, E.C. FlIlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllinillllffliHIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIHIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII JOHN WOOD & SONS, L™ Engineers, BARLEY BROOK FOUNDRY, WIGAN. FRICTION CLUTCH. BAND” Telephone—No. “ 55 ” Wigan. Telegrams—“ Haulage, Wigan.’ and Improved “ OUTSIDE Fitted with AUTOMATIC BRAKE 1OO-H.P. “ENDLESS” - Haulage Gears of every type. WINDING, HIMPING & AIR COMPRESSING ENGINES.