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Legături externe[modificare | modificare sursă]
- Sparkmuseum: Crookes and Geissler Tubes
- Instruments for Natural Philosophy: Geissler Tubes
- Mike's Electric Stuff: Geissler Tubes
- The Cathode Ray Tube site
- Geissler and Crookes tubes shown working
- How to Make an Experimental Geissler Tube, Popular Science monthly, February 1919, Unnumbered page, Scanned by Google Books.