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Cathode Ray Tube


Creator: UoD_Museums on 18 Sep 2011, 4:36 p.m.

This cathode ray tube has been set up as a demonstration model to replicate J J Thomson’s experiment to determine the charge-to-mass ratio of an electron, c.1910s. Thomson was the discoverer of the electron (for which he won the Nobel Prize in 1906) and came to Dundee to open the Carnegie Physics Laboratory in 1909.