Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
electron tube
Table of Contents
References & Edit History Quick Facts & Related Topics
Images
Elements of the simplest electron tube, the diode. two-cavity klystron Typical elements of a magnetron. Elements of the traveling-wave tube (TWT). Typical elements of a gyrotron.
Discover
earthquake. Heavily damaged school in the town of Yingxiu after a major earthquake struck China's Sichuan Province on May 12, 2008.
The 6 Deadliest Earthquakes Since 1950
January 21, 2019: Superbowl LIII will be played at Atlanta's Mercedes-Benz Stadium on Sunday, February 3, 2019 against the New England Patriots and the Los Angeles Rams.
What Was the Super Bowl’s First Blockbuster Commercial?
Sailboat against a beautiful landscape
Which Waters Do You Pass Through When You “Sail the Seven Seas”?
Orange basketball on black background and with low key lighting. Homepage 2010, arts and entertainment, history and society
The 10 Greatest Basketball Players of All Time
Vietnam War. U.S. President Lyndon B. Johnson awards the Distinguished Service Cross to First Lieutenant Marty A. Hammer, during a visit to military personnel, Cam Ranh Bay, South Vietnam, October 26, 1966. President Johnson
Vietnam War Timeline
bird. mourning dove. pigeon and dove. Mourning Dove (Zenaida macroura) family Columbidae.
Nikola Tesla's Weird Obsession with Pigeons
The Lost Colony of Roanoke, North Carolina, where 115 people mysteriously disappeared c. 1590. John White discovers the word Croatoan carved onto a tree upon his return to the deserted Roanoke Colony in 1590
The Lost Colony of Roanoke

electron tube: Facts & Related Content

verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
Share
Share to social media
URL
https://www.britannica.com/facts/electron-tube
Written and fact-checked by
The Information Architects of Encyclopaedia Britannica

The Information Architects maintain a master list of the topics included in the corpus of  Encyclopædia Britannica, and create and manage the relationships between them.
The Information Architects of Encyclopaedia Britannica

Facts

Also Known As valve • gas-filled tube • gas electron tube • vacuum tube

Photos

Elements of the simplest electron tube, the diode.
two-cavity klystron
Typical elements of a magnetron.
Elements of the traveling-wave tube (TWT).
Typical elements of a gyrotron.
See All Images →

Related Topics and References

Topics
Dig Deeper: More Articles That Discuss This Topic

Key People

Langmuir, Irving
Irving Langmuir
American chemist
Albert Wallace Hull
American physicist