McVitie Weston valve collection, Ken-Rad valve, type VTT-118
Ken-Rad valve, type VTT-118, mica disc marked Q18, Q22, (RMW/Y693B - McVitie Weston number), by Ken-Rad Tube & Lamp Corporation.
Ken-Rad valve, type VTT-118, mica disc marked Q18, Q22, (RMW/Y693B - McVitie Weston number), by Ken-Rad Tube & Lamp Corporation.