McVitie Weston valve collection, Philips Miniwatt valve, type C.1
- Made:
- circa 1934
- maker:
- Philips Electronics
Philips Miniwatt valve, type C.1, marked R336 A49, filament broken, (RMW/K5 - McVitie Weston number), by Philips, c.1934.
Philips Miniwatt valve, type C.1, marked R336 A49, filament broken, (RMW/K5 - McVitie Weston number), by Philips, c.1934.