Mystery Regen - Part 2

So, can we reverse engineer the 4 tube Regenerative Receiver? Karas Electric of Chicago was a very good guess on a manufacturer which could have provided a full kit for this receiver. How can I arrive at a good working schematic for the radio? #soldersmoke #radio #hamradio #radioreceiver #radioequipment #arrl #regeneration #regen #wirelessaudio #qrp Mystery Regen - Part 1    • Mystery Regen Kit Radio - Part 1   Regen Secrets    • Regen Secrets Collection   Kitchin High Performance Regen    • Kitchin Regen Series