Clue: Some vacuum tubes
Some vacuum tubes is a crossword puzzle clue that we have spotted 3 times. There are related clues (shown below).
Referring crossword puzzle answers
Likely related crossword puzzle clues
Recent usage in crossword puzzles:
- Brendan Emmett Quigley - Jan. 4, 2016
- NY Sun - Nov. 12, 2009
- New York Times - Jan. 28, 2001
