PHOTO GWR 'DUKEDOG' CLASS 9004 AT WELLINGTON STATION 1960 THE TARPAULIN OVER THE CHIMNEY SHOWS THAT THIS LOCOMOTIVE WAS ALREADY CONSIDERED REDUNDANT. THE KEY WAS THAT THEY WERE A REASONABLY POWERFUL LOCOMOTIVE SUITED TO PASSENGER WORK BUT NEVERTHELESS LIGHT ENOUGH TO BE ABLE TO WORK ACROSS THE WOODEN BRIDGE AT BARMOUTH.