Re: Spiral TCs

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Mddeming-at-aol-dot-com>

In a message dated 7/8/01 8:28:07 PM Eastern Daylight Time, tesla-at-pupman-dot-com 
writes: 



>
> Original poster: "Richard Wayne Wall by way of Terry Fritz < 
> twftesla-at-qwest-dot-net>" <rwall-at-ix-dot-netcom-dot-com> 
>
> Has anyone built and fired a flat spiral TC?   
>
> Any plans around? 
>
> Did Tesla publish anything on their construction? 
>
> I'm not looking for huge sparks, but a research platform. 
>
> RWW 



Yes, Tesla's patent No.645,576 of Mar 20, 1900, describes a flat spiral 
primary coil 8 
ft in diameter made of 50 turns of #8 wire surrounded by a turn of 2/0 cable 
as a primary. Patents, both text and diagrams, can be accessed online at US 
Patent Office. 

http://hot-streamer-dot-com/TeslaCoils/OtherPapers/TeslaPatents/us000645576.pdf

Matt D.