McVitie Weston valve collection, RCA Cunningham Radiotron valve, type 6A7
- Made:
- circa 1934
- maker:
- RCA Corporation
RCA Cunningham Radiotron valve, type 6A7, (RMW/Y67 - McVitie Weston number), by RCA Corporation, c. 1934.
RCA Cunningham Radiotron valve, type 6A7, (RMW/Y67 - McVitie Weston number), by RCA Corporation, c. 1934.