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・ Tube Investments of India Limited
・ Tube lemma
・ Tube Lines
・ Tube map
・ Tube Mice
・ Tube Mills railway station
・ Tube Products of India
・ Tube railway
・ Tube riding
・ Tube Slider
・ Tube Snake Boogie
・ Tube socket
・ Tube sound
・ Tube stock
・ Tube Tales
Tube tester
・ Tube Time
・ Tube tool
・ Tube top
・ Tube Tops 2000
・ Tube trumpet
・ Tube well
・ Tube worm
・ Tube-and-fabric construction
・ Tube-based nanostructures
・ Tube-dwelling anemone
・ Tube-dwelling spider
・ Tube-eye
・ Tube-lipped nectar bat
・ Tube-snout


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Tube tester : ウィキペディア英語版
Tube tester

A tube tester is an electronic instrument designed to test certain characteristics of vacuum tubes (thermionic valves). Tube testers evolved along with the vacuum tube to satisfy the demands of the time, and their evolution ended with the tube era. The first tube testers were simple units designed for specific tubes to be used in the battlefields of World War I by radio operators, so they could easily test the tubes of their communication equipment.
==Types of tube testers==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Tube tester」の詳細全文を読む



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