Clue: Vacuum tube with three elements
Vacuum tube with three elements is a crossword puzzle clue that we have spotted 6 times. There are related clues (shown below).
Referring crossword puzzle answers
Likely related crossword puzzle clues
Recent usage in crossword puzzles:
- Washington Post - Aug. 1, 2015
- Universal Crossword - Nov. 22, 2014
- Pat Sajak Code Letter - May 7, 2013
- USA Today - June 29, 2011
- Universal Crossword - July 10, 2005
- New York Times - April 7, 1999
