|electron Tube Data sheets|
|Radio Grammophone Development|
|Circuit diagram (partly drawn in pencil...)|
|the on-line RGD museum|
The rear side of the radio.|
The receiver and amplifier are two units.
|The top side of the radio|
Here is how I found it...|
An old shed in Schotland (1988).
|Something went wrong...|
The LF amplifier|
with PX4 (=PP3/250) tubes