McVitie Weston valve collection, RCA Radiotron valve, type UY 224-A
- Made:
- circa 1929
- maker:
- RCA Corporation
RCA Radiotron valve, type UY 224-A, (RMW/G97 - McVitie Weston number), by RCA Corporation, c. 1929.
RCA Radiotron valve, type UY 224-A, (RMW/G97 - McVitie Weston number), by RCA Corporation, c. 1929.