3899778 Workers from the Tredegar Iron Works, Wales, 1865 (albumen print) by Clayton, William (fl.1865); Manchester Art Gallery, UK; (add.info.: Album of photographs from the Tredegar Iron Works in Wales, taken by William Clayton. 60 cartes de visite in an embossed brown leather album. Inner leaf with a newspaper cutting from the Bristol Mercury, and the original owner in ink \'C B Crisp, 19 April 1865\'.); byManchester Art Gallery .