![](https://coimages.sciencemuseumgroup.org.uk/58/890/large_thumbnail_1991_0166.jpg)
Wade Bequest collection of valves: World War One German triode radio valve
- PART OF:
- Wade Bequest collection of valves
![SMG00237649](https://coimages.sciencemuseumgroup.org.uk/448/610/medium_smg00237649.jpg)
Wade Bequest collection of valves: World War One German directly-heated triode radio valve by AEG, marked 1916. Tubular bulb with two end caps. With paper label: W54.