McVitie Weston valve collection, Ken-Rad valve, type 6D6
- Made:
- 1934
Ken-Rad valve, type 6D6, marked HK3, (RMW/Y225 - McVitie Weston number), by Ken-Rad Tube & Lamp Corporation, 1934.
Ken-Rad valve, type 6D6, marked HK3, (RMW/Y225 - McVitie Weston number), by Ken-Rad Tube & Lamp Corporation, 1934.