There were some crude pocket FM radio kits that used one tube... doubt if they worked very well.
https://www.antiqueradios.com/forums...p?f=4&t=261017
Two tube pocket set here:
https://www.radiomuseum.org/r/hastings_fm_jr.html
I have never seen one.
jr
Last edited by jr_tech; 04-25-2019 at 03:32 PM.
Reason: add second link
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