McVitie Weston valve collection, Osram valve, type MAG 2
- maker:
- Osram
Osram valve, type MAG 2, ser.No.277, with glass boot over cathode leads and waveguide outlet, (RMW/Y727 - McVitie Weston number), by Osram.
Osram valve, type MAG 2, ser.No.277, with glass boot over cathode leads and waveguide outlet, (RMW/Y727 - McVitie Weston number), by Osram.