McVitie Weston valve collection, valve, type X.23
Valve, type X.23, cylindrical tube 1.3in diam x 1.8in long, on std Brit 4-pin base, attached label marked X.23, (RMW/P35 - McVitie Weston number), by Unknown maker.
Valve, type X.23, cylindrical tube 1.3in diam x 1.8in long, on std Brit 4-pin base, attached label marked X.23, (RMW/P35 - McVitie Weston number), by Unknown maker.