Crossword puzzle clue "some old tv tubes"

Here are the possible solutions for some old tv tubes clue

Answer
Clue
Relevancy
triodes
Clue
Some old TV tubes
Old TV tubes
diodes
Clue
Old radio tubes
Some electron tubes
Definition
DIODE, a type of electron tube
ada
Clue
Org. cited on some tubes
Initials on some toothpaste tubes
Org. quoted on some toothpaste tubes
Letters on some tubes

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