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.