File:Neon discharge tube.jpg - Wikipedia
Gas-filled tube - Wikipedia
Townsend discharge - Wikiwand
File:Krypton discharge tube.jpg - Wikimedia Commons
SPD module of Type 2 DTNVEM 1/CIB and DTNVE 1/CIB - CIB / Teco Wiki
File:Deuterium discharge tube.jpg - Wikipedia
File:ANT Nachrichtentechnik DBT-03 - Gas discharge tube-0035.jpg - Wikimedia Commons
Atmospheric-pressure Chemical Ionization | Encyclopedia MDPI
Crookes-Tube @ The Valve Museum
File:Hydrogen dischrge tube.jpg - Wikimedia Commons
Gas-Filled Tubes: Gas Discharge Lamps, ARC Lamp, Fluorescent Lamp, Cold Cathode, Compact Fluorescent Lamp, Flashtube, Crookes Tube, Sulfur Lamp - Source Wikipedia: 9781233079278 - AbeBooks
Gas-discharge lamp - Wikipedia
Xenon - Wikiwand
This Month in Physics History
Gas Discharge Lamps: ARC Lamp, Fluorescent Lamp, Cold Cathode, Compact Fluorescent Lamp, Flashtube, Crookes Tube, Sulfur Lamp by Source Wikipedia | Goodreads
How does the plasma globe function? What are the reasons for different colours of flames (gases)? - Quora
File:Nitrogen discharge tube.jpg - Wikipedia
File:Argon discharge tube.jpg - Wikimedia Commons
Geissler tube - Wikipedia
14.01 What is a discharge tube? - YouTube
What are the applications of a discharge tube? - Quora
File:Gas discharge tube, named after William Crookes, c. 1890 - Röntgen-Gedächtnisstätte Würzburg - Würzburg, Germany - DSC04264.jpg - Wikimedia Commons
Tandem Accelerator - FSU Fox's Lab Wiki
