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Thomson Joseph John F2

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Thomson Joseph John F2

Image title: 
Joseph Thomson
Credit line: 
Cambridge University, Cavendish Laboratory, Contact: Kelvin Fagan, kjf21@phy.cam.ac.uk; www.phy.cam.ac.uk/cavendish/; Phone: 44-1223-337409; Fax: 44-1223-36-3263
Description: 

Sir Joseph Thomson's electromagnetic tube for cathode rays.

Original format: 
1 photographic print (black and white; 6 x 8 inches)
Person(s): 
Thomson, J. J. (Joseph John), 1856-1940