Four drawings showing the manufacture of iron 19th century

This 19th-century anonymous drawing titled “Four drawings showing the manufacture of iron” is a glimpse into industrial processes. The four sketches depict distinct steps in iron production, including casting, cutting, sharpening hammers, and rolling. The work is a fascinating example of industrial art, capturing the physical labor and machinery involved in ironmaking. The drawing is housed in the Metropolitan Museum of Art in New York City and measures 9 1/8 x 7 1/2 inches.