McVitie Weston valve collection, Raytheon valve, type 6A7
- Made:
- circa 1934
Raytheon valve, type 6A7, red, white and blue label printed -4-pillar radio tube, 25, (RMW/Y135 - McVitie Weston number), by Raytheon Manufacturing Company, c. 1934.
Raytheon valve, type 6A7, red, white and blue label printed -4-pillar radio tube, 25, (RMW/Y135 - McVitie Weston number), by Raytheon Manufacturing Company, c. 1934.