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High-vacuum electron tube with divergent electron gun and three, colored fluorescent strips. Demonstrate stimulated light emission during and after electron bombardment of a phosphorus anode. The anode also fluoresces when illuminated with a focused ultraviolet light source.
| Weight | 0.223 kg |
| Dimensions | 35 x 28 x 22 cm |
| Brand | 3B Scientific Teltron |
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