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current | 04:50, 18 April 2010 | 828 × 229 (113 KB) | Kurzon | {{Information |Description={{en|1=The Crookes tube with which JJ Thomson demonstrated that cathode rays could be deflected by an electric field.}} |Source=Philosophical Magazine, 44, 293 (1897) |Author=JJ Thomson |Date=1897 |Permission= |other_versions= } | |
04:47, 18 April 2010 | 828 × 314 (94 KB) | Kurzon | {{Information |Description={{en|1=The Crookes tube with which JJ Thomson demonstrated that cathode rays could be deflected by an electric field.}} |Source=Philosophical Magazine, 44, 293 (1897) |Author=JJ Thomson |Date=1897 |Permission= |other_versions= } |
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