February 22, 1918. THE COLLIERY GUARDIAN. 369 ELECTRIC PUTTERS ELECTRIC PUTTER No. 3. A ELECTRIC PUTTER No. 4. • J' I ">r . (A .■ 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.