Candle in a bell jar. The candle was recently sealed in the jar and is still burning,showing that there is still oxygen present. This is a recreation of an experiment by Joseph Priestley (1733-1804). Although Priestley's explanation of the phenomenon was incorrect he did later manage to isolate oxygen from air | |
Licence : | Droits gérés |
Crédit: | Science Photo Library |
Taille de l’image : | 3663 px × 4886 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |