McVitie Weston valve collection, RCA Radiotron valve, type 841
- maker:
- RCA Corporation
RCA Radiotron valve, type 841, pinch marked 4841, (RMW/D156 - McVitie Weston number), by RCA Corporation.
RCA Radiotron valve, type 841, pinch marked 4841, (RMW/D156 - McVitie Weston number), by RCA Corporation.