Geneva, Switzerland/geneva930
Previous | Home | NextHere is an original Crookes tube, which formed cathode rays (electrons), and was the first electron gun, which has led to many modern electronic devices such as TV screens.
Geneva, Switzerland/geneva930Previous | Home | NextHere is an original Crookes tube, which formed cathode rays (electrons), and was the first electron gun, which has led to many modern electronic devices such as TV screens. |
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