HF amplification.The anode can be connected by the top screw cap (wire has to be removed), or by the anode pin (wire in place).
Bibliografia
- - Manufacturers Literature 1927
L'ABCDaire des lampes de TSF des jeunes années p. 11
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
A235_Philips: Telefunken Werkstattbuch
Wolfgang Bauer
Just Qvigstad
A235_Philips: own collection
Peter den Boer † 2025
