Papin conducts an experiment with his powder machine in front of the professors of the University of Marburg

---

Size: 4392px × 3285px
Photo credit: © Artokoloro / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1867, 1868, 1869, 19th, century, conducts, engraving, experiment, invention, machine, marburg, papin, powder, professors, science, university