Téléchargement en ligne haute résolution non disponible. Livraison sous 24h.
Titre: Johann Becher, German alchemist
Légende: Voir la traduction automatique
Traduction en cours...
Traduction automatique:
Johann Joachim Becher (1635-1682), German alchemist and physician. Becher was a self-educated minister who was appointed professor of medicine at the University of Mainz in 1657. He published a number of books, including the Physica Subterranea (1667) in which he initiated the idea of phlogiston, later posited by his student G.E. Stahl. The theory holds that flammable materials release the colourless, odourless, tasteless and weightless substance phlogiston when they are burned. Antoine-Laurent Lavoisier later disproved the phlogiston theory.
Crédit: Album / SCIENCE SOURCE
Taille de l'image: 3496 × 5048 px | 50.5 MB
Taille d'impression: 29.6 × 42.7 cm | 1376.4 × 1987.4 in (300 dpi)