![](https://coimages.sciencemuseumgroup.org.uk/50/736/medium_thumbnail_e2013_442_1__0001_.jpg)
Wade Bequest collection of valves: Marconiphone radio valve
- PART OF:
- Wade Bequest collection of valves
![SMG00238077](https://coimages.sciencemuseumgroup.org.uk/448/885/medium_smg00238077.jpg)
Wade Bequest collection of valves: Marconiphone radio valve. ST bulb with IO base and top cap. With red printed Marconi label on bulb exterior
Wade Bequest collection of valves: Marconiphone radio valve. ST bulb with IO base and top cap. With red printed Marconi label on bulb exterior