License, verbatimCC0
The Metropolitan Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged isPublicDomain=true in the museum's own record.
Simon Francis Ravenet, the elder. Reverse copy of Chaudronier Chaudronier (Boilermaker Boilermaker), plate 2 from "Le Cris de Paris" (The Cries of Paris), 18th century. The Metropolitan Museum of Art.