rs242 tube telefunken germany matched pair power tubes ww2 wartime wehrmacht 40s

two tubes matched pair tested strong rs242 x telefunken 

3,8 Volt Heater tubes 

tube 1 code 205789/1140 tested 28mA on tube tester funke w19s (reference good at 22mA)

tube 2  code 205777/1140  tested 26mA on tube tester funke w19s (reference good at 22mA) 

cup getter  bottom

hanging filament 

large mono plate

black plate

old globe shape

rare power tubes  

power triode dht direct heater 

transmitter tube 

both with radiotax lead 

RS242 X

Socket Europe 4-Pin B4 

power triode Transmitter tube 15 Watt Senderöhre Telefunken 

Filament heater Vf 4 Volt / If 0.65 Ampere / Direct

box 147

pair 2