![](https://coimages.sciencemuseumgroup.org.uk/63/852/large_thumbnail_1946_0107.jpg)
McVitie Weston valve collection
- Made:
- 1932 in United States and Canada
- maker:
- Gustav Ganz and Company
![Ostar-Ganz output triode valve, type L1525, B5 base](https://coimages.sciencemuseumgroup.org.uk/455/987/medium_smg00259787.jpg)
Ostar-Ganz output triode valve, type L1525, B5 base, pinch marked 24, glass marked 202, (RMW/F88 - McVitie Weston number), by Gustav Ganz & Co., 1932.