| Answer | Crossword Clue |
|---|---|
| diodes | DIODE, a type of electron tube |
| klystron | a type of electron tube |
| tetrode | a type of electron tube |
| diode | a type of electron tube |
| pentode | a type of electron tube |
| dynatron | a type of electron tube |
| triode | a type of electron tube |
| triodes | TRIODE, a type of electron tube |
| tetrodes | TETRODE, a type of electron tube |
| dynatrons | DYNATRON, a type of electron tube |
| klystrons | KLYSTRON, a type of electron tube |
| pentodes | PENTODE, a type of electron tube |
| DIODE | Type of electron tube |
| DIODE | Electron tube type |
| TRIODE | Electron tube type |
