January 25, 1918. THE COLLIERY GUARDIAN. 165 ELECTRIC PUTTERS ELECTRIC PUTTER No. 3. r \ r : z ~ I V iw* I ELECTRIC PUTTER No. 4. 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.