Simple micro transmitter

[Pat Pending]

Now this makes me wonder how much use would these valves have been in an EMP or nuclear EMP, the whole idea of the Russian's using thermionic devices was for that very reason.

Hi Trevor, after the EMP has passed the valve
would still work, your transistorised gear however would likely be toast. Some of the miniature valves are also very photosensitive I've found.
Super project Trevor, BTW.

Cheers, 
Andy.