| Answer | Crossword Clue |
|---|---|
| XENON | TV-tube element |
| ARGON | Radio-tube element |
| DIODE | Two-element tube |
| ANODE | Electron-tube element |
| TRIODE | Three-element vacuum tube |
| DIODE | Two-element electron tube |
| THORIUM | Element in vacuum tube filaments |
| Answer | Crossword Clue |
|---|---|
| XENON | TV-tube element |
| ARGON | Radio-tube element |
| DIODE | Two-element tube |
| ANODE | Electron-tube element |
| TRIODE | Three-element vacuum tube |
| DIODE | Two-element electron tube |
| THORIUM | Element in vacuum tube filaments |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.