McVitie Weston valve collection
- Made:
- circa 1936
Western Electric 'Doorknob' triode valve, type 316A, H4 base, large-acorn type, marked 12163 and c.1453, filament broken, (RMW/Y240 - McVitie Weston number), by Western Electric Company, Inc, c.1936.
Western Electric 'Doorknob' triode valve, type 316A, H4 base, large-acorn type, marked 12163 and c.1453, filament broken, (RMW/Y240 - McVitie Weston number), by Western Electric Company, Inc, c.1936.