”In all these industrial portraits [William Bell Scott, Iron and Coal, Industry of the Tyne, 1861 (Wallington Hall, Northumberland); John Ferguson Weir, The Gun Foundry, 1866 (Putnam County Historical Society); Paul Meyerheim, History of the Locomotive, 1872 (Stadtmuseum, Berlin )] the physical realty and the product of the company move to the center; often the owners are included, as workers or observers, along with their families….
Françoise Foster-Hahn, “Ethos und Eros: Adolph Menzels Eisenwalzwerk und Atelierwand,“ Jahrbuch der Berliner Museen, vol. 41 (1999): 143, 146-7.