The New Train Ferry Boats SS Twickenham Ferry Southern RailwayOriginal vintage travel advertising poster The New Train Ferry Boats via Dover Dunkerque featuring artwork by the British painter and poster artist Walter Thomas (1894 1971) depicting the SS Twickenham Ferry sailing across the Strait of Dover on the English Channel at dusk with the lights on board reflecting on the sea waves, the setting sun creating a shadow of the boat in the foreground with other boats at sea and land visible in the distance, the