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出典:Wikipedia
出典:『Wikipedia』 (2011/06/08 15:24 UTC 版)
Sir William Crookes, OM, FRS (17 June 1832 – 4 April 1919) was a chemist and physicist who attended the Royal College of Chemistry, London, and worked on spectroscopy. He was a pioneer of vacuum tubes, inventing the Crookes tube.
William Crookes