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R.A.F. Henlow Signals Museum Exhibits

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Receiver_Type_R1273=0201.jpg Receiver_Type_R1392D=0185.jpg

Receiver_Type_R1471=0199.jpg Receiver_Type_R1471_(rear)=0373.jpg
Receiver
Type R1273
Receiver
Type R1392D
Receiver
Type R1392J
Receiver
Type R1471
Receiver
Type R1471 (rear)

Receiver Type R1392J.

This is a later version that used a small metal cased HC6-U crystal that was fitted into a thermostatically controlled oven in order to keep its temperature constant which prevented any tendency for the frequency to drift.

Ref: 5820-99-953-7424

Receiver<br>Type R1392J

Receiver Type R1392J (Photograph Number 0188)

Click on the image to get the full size image.


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