Keywords: Robert Batty05.jpg Oporto The Custom-House Quay Painted by Lieut Col Robert Batty Engraved by Robert Wallis 1794-1878 http //doportoenaoso blogspot com/2010/04/os-transportes-maritimos-e-fluviais-7 html 1823 Robert Batty Robert Wallis 1794-1878 PD Robert Batty Robert Wallis engraver Porto in the 19th century Cranes machines in art Treadwheel cranes PD-old-100 |