Chromolithograph, "Prang's Aids for Object Teaching, Trades & Occupations-Plate 11, Tinsmith," 1874

Louis Prang (1824–1909), the son of a textile manufacturer, learned engraving, calico dyeing, and printing as a young boy. He emigrated to the United States in 1850 and would produce colorful chromolithographs. Prang also worked to improve the artistic tastes of 19th-century Americans and created valuable teaching aids. His company's Educational Department produced prints like this for the instruction of occupational trades.