
Fleming Diode

Fleming diode, tubular production version with cylindrical pattern and long copper anode, cap and bulb marked 'R', (RMW/A13 - McVitie Weston number), invented by Sir (John) Ambrose Feming, unknown maker.
Fleming diode, tubular production version with cylindrical pattern and long copper anode, cap and bulb marked 'R', (RMW/A13 - McVitie Weston number), invented by Sir (John) Ambrose Feming, unknown maker.