Beginpagina Informatie Collectie          - Objects          - Books          - Revues          - Posters          - Videos          - Search/Results Publicaties Activiteiten Steun het museum Historische bijdrage Voordrachten Sponsers Nuttige linken Email	Crookes'tube  (1895) A partially evacuated glass tube containing two metal electrodes, the Crookes'tube exhibits fluorescence when a high voltage is supplied through the electrodes. Later experiments with Crookes'tube led to the discovery of X - rays in 1895 and the electron in 1897. Back to listing        Print This Page