McVitie Weston valve collection, RCA Cunningham valve, type 59
- maker:
- RCA Corporation
RCA Cunningham valve, type 59, pinch marked 12, (RMW/H24 - McVitie Weston number), by RCA Corporation.
RCA Cunningham valve, type 59, pinch marked 12, (RMW/H24 - McVitie Weston number), by RCA Corporation.