McVitie Weston valve collection, Tungsram valve, type TX4
- Made:
- 1936-
Tungsram valve, type TX4, (RMW/Y183 - McVitie Weston number), by Tungsram Electric Lamp Works (Gt. Britain) Ltd., 1936-.
Tungsram valve, type TX4, (RMW/Y183 - McVitie Weston number), by Tungsram Electric Lamp Works (Gt. Britain) Ltd., 1936-.