It used to be so easy to go to Canal street and buy radio parts. Now even simple things like open air coils are hard to find.
I wanted to make a Vacuum tube transmitter but couldn’t find a decent coil in the parts bin. I’ll just have to print the form.
After winding it I had to find a matching Capacitor.
A quick trip to the parts bin yielded all the other necessary pieces.
See the full build details here: