Restoring an "Invicta 29"

Invicta Model 29  portable Battery radio from 1957

It's based on the Pye  Jewel case P114BQ (Battery only). The  Pye P131MBQ is earlier model with chassis rather than PCB, but mains built in. The PAM 712 and PAM 716 portable Attaché Radio are also supposed to be the same (Pamphonic).

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