Discharge in Geissler tubes containing rarefied gases. Investigations of these phenomena led to the discovery of cathode rays,x-rays and electrons. From A. Ganot Natural Philosophy,London,1887. Chromolithograph | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / UIG / Universal History Archive |
Taille de l’image : | 4757 px × 7348 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |