McVitie Weston valve collection, RCA Rectron valve, type UX-216-B
- maker:
- RCA Corporation
RCA Rectron valve, type UX-216-B, (RMW/A149 - McVitie Weston number), by RCA Corporation.
RCA Rectron valve, type UX-216-B, (RMW/A149 - McVitie Weston number), by RCA Corporation.