Crookes heating effect tube
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From: AlastairWright
Added: 19 years ago · 0:22 · 480p
Platinum foil gets red hot from the cathode rays focussed on it.
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Years
Views: 7,216
From: AlastairWright
Added: 19 years ago · 0:22 · 480p
Platinum foil gets red hot from the cathode rays focussed on it.
No comments yet.