450 THE COLLIERY GUARDIAN. March 10, 1916. and Improved “ OUTSIDE- BAND” FRICTION CLUTCH. Fitted with AUTOMATIC BRAKE Telephone—No. “ 5 5 ” Wigan. Telegrams—“ Haulage, Wigan.” JOHN WOOD & SONS, L- Engineers, BARLEY BROOK FOUNDRY, WIGAN. 100-H.P. “ENDLESS” > - SOWS a sbsis (.TO 'W: III < a R'X' gr I \__' ‘“^^JUiCWEKLWo' i—~ ' Haulage Gears of every type. WINDING, PUMPING & AIR COMPRESSING ENGINES. ^iiiiiiimiiiiiiiiiiiiiiiiiiiiiiiiiiiHiiiiiiiiiiiiiiniiiiiiiiiniiiiiiiiiiiiiiiiiiiiiiinw THE COTTON POWDER Co. Ld., Manufacturers of Explosives for Mining Purposes. REX POWDER NEW PERMITTED EXPLOSIVE For all kinds of work. HEAD OFFICE: 24, WALBROOK, LONDON, E.C.