19th century illustration showing cross section of three levels of the Wieliczka Salt Mine, Poland. The mines date from the 13th century and are a UNESCO World Heritage Site. After an illustration in Les merveilles de l'industrie, by Louis Figuier, published 1877.

---

Size: 5669px × 3438px
Photo credit: © Classic Image / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 19th, archival, archive, century, cross, de, drawing, engraving, figuier, heritage, historical, history, illustration, industrial, industry, les, levels, lindustrie, louis, machine, machinery, machines, merveilles, mines, mining, period, picture, poland, polish, print, process, processes, salt, science, section, site, unesco, vintage, wieliczka, world