TELEFUNKEN

RGN1064 tube
G1064  KL74303
Mesh plates, foil getter, Bulb Globe
Full Wave Direct Heating Rectifier tube
Vf=4V, If=1A
made in Germany by Telefunken in June 1939 ("hi" code)

Not much used tube, tested

high emission:
56/52mA
f=4V Ua=30V

tube is in a perfect technical shape
you will get the tube from the pictures

I always send tubes by priority registered mail within hours after receiving payment