June 15, 1917. THE COLLIERY GUARDIAN. 1115 ELECTRIC PUTTERS ELECTRIC PUTTER No. 3. •& Bls \ l e 1 < i : \ - ELECTRIC PUTTER No. 4. JL 1 4 - -s-' We guarantee each of these Electric Haulers will do the work of from three to five ponies and boys. Reduces Pony Haulage Cost over threepence per ton. HUGH WOOD & CO. LD. LONDON OFFICE: • 65, Fenchurch St., E.C. 3. NEWCASTLE-ON-TYNE. CARDIFF OFFICE : 102, St. Mary Street.