Only 1 Shortz Era entry found. Click the date to see the answer in context. See the dictionary definition.
|Friday, December 23, 1994||53A||Electron tube||Frank A. Longo|
5 results for TETRODE from older pre-Shortz puzzles.
|Sunday, January 20, 1991||82A||Vacuum tube||Bernard Meren||Maleska|
|Saturday, September 1, 1979||35A||Type of vacuum tube||Mel Rosen||Maleska|
|Monday, November 18, 1974||29A||Vacuum tube||Glasser||Weng|
|Tuesday, December 5, 1972||42D||Vacuum tube||Unknown||Weng|
|Monday, November 29, 1954||24D||Electron tube.||Unknown||Farrar|