Crossword clues for the word: VACUUMTUBE The word VACUUMTUBE has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for VACUUMTUBE Showing 1 to 5 of 5 results Clue(s) *Component in early TV sets Current controller, in old TVs Old radio component Old-time radio part Transistor predecessor