17 h 56 min, 1 janv. 1848 ans - In 1848, he became professor of anatomy at the University of Liege where he worked on a human respirator for environments where the surroundings are not breathable.
Ajouté au bande de temps:
Date:
17 h 56 min, 1 janv. 1848 ans
Maintenaint
~ Il y a 176 ans
