electron tube

Example Sentences

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The incredible accuracy of U.S. naval guns at Casablanca, which at 26 miles smashed the hull of the French battleship Jean Bart in two salvos, was a triumph for the electron tube.

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

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

Even at the very hour that war began the electron tube was the first to serve the nation.

From Time Magazine Archive

This light, bouncing off targets, is focused on a semitransparent screen at the front end of an extremely sensitive electron tube.

From Time Magazine Archive