Four drawings showing the manufacture of iron

Artist: Anonymous
Artwork: Four drawings showing the manufacture of iron
Description: This artwork consists of four drawings that show the process of manufacturing iron. The first drawing shows workers casting iron pipes, the second shows workers cutting sheet iron, the third shows workers using a steam hammer, and the fourth shows workers rolling iron bars.
Url: https://anartworkaday.zhouqingen.com/reference/master/Museum/Metropolitan Museum of Art Sketch/AnonymousFourdrawingsshowingthemanufactureofiron.avif