JOSEPH JOHN THOMSON (1856-1940) English physicist with the cathode ray tube he used in his discovery of the electron in 1897

- Image ID: FER1C4
JOSEPH JOHN THOMSON (1856-1940) English physicist with the cathode ray tube he used in his discovery of the electron in 1897
Pictorial Press Ltd / Alamy Stock Photo
Image ID: FER1C4

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