electron tube
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
There is no glass envelope, as in an electron tube, and no complicated insides.
From Time Magazine Archive
What is more, the electron tube can hear, feel, taste, remember, measure, count and talk.
From Time Magazine Archive
Even at the very hour that war began the electron tube was the first to serve the nation.
From Time Magazine Archive
On Dec. 7, 1941 the electron tube caught the mutter of Japanese aircraft when they were 132 miles away from Pearl Harbor.
From Time Magazine Archive
Lee de Forest, 77, inventor of the electron tube, who sometimes worries about its development into radio and television, had a moment of mellow reflection following General MacArthur's coverage on TV.
From Time Magazine Archive
