And this: the Peswiki article mentions the Tesla patent 381,970.
This is what I followed. Though I added more outer control windings for safety. At the time I didn't know how to find this out because of the inexperience of the engery being produced. All I can say is 'Ouch'. The amount of windings I incoporated fell somewhere between extremely dangerous down to null effect. Just hazardous.
So the control winding count from high to low is this:
The GK4, Tesla patent 381970, Tesla patent 568177.
Reference the mention in excerpt #60 of the 381970
Tesla calls the C coils as the secondary. Current!
Look at the low number of M windings 568177 primary. The secondary is voltage!
The wireless patents use the pancakes. A circular, center encroaching magnetic field. Power! The cone was Telsa's favorite shape! The 45 degrees creates a energy ejection wing at the top.
I mentioned this over a year ago. 'If you spread the Tesla patent pictures out in front of you and leave them there, you will see other things not mentioned'. Could just be my Artsy, fartsy pattern based vision. But the puzzle is there. That is how I found the 381970 coil in the 390721 patent. Here is a clue that really struck me was the name 'System of electrical distrubution'. Hellooo?
This 381970 coil that I copied for the GK4 is mentioned in the Peswiki article. Boy, do I feel justified!
Where did I get the iron wire idea from? Telsa patent 381970 Excerpt #55. To the tee, gentlemen! And read Tesla patent 381970 Excerpt #120. READ IT!
Maybe at this time others will understand what I did. Otto did! He showed me the mobius connections the next day after I posted. And he blows sh!t up!
But here is the beauty of using lamp wire. You get 'MANY' low impedance windings with very little effort by winding once. But they all touch! Get over it. Make one. All the individual strands have there own magnetic field.
And the sad part is I made this all public last year. I jumped in without fully understanding it. This is what I have learned. He who really understands what Tesla did understands things now in a different way. But if you don't, the posts of conventional thinking are stuck in the classroom.
The Tesla patent # 381970 diagrams have little twinkly stars in them. What are they?
And read Tesla patent 381970 excerpt #105. The TPU answer again.

Tesla patent 381970, excerpt #20: It results from this that the different electrical phases in the generator are attended by corresponding magnetic changes in the convertor; or, in other words, that as the generator-coils revolve the points of greatest magnetic intensity in the convertor will be progressively shifted or whirled around. Hellooo, again?
--giantkiller. I got to take a break now. This has exhausted me.
p.s. I am not boasting here. I am merely posting it again to drive home a point. The Peswiki article left me with a bad taste in my mouth. But the answer is there and I got a good start to prove it in a round about way. Thats all. The GK4 cost $20.00. Pump it with square waves. I need to send in sine also.