From: Felix[SMTP:73374.1547-at-CompuServe.COM] Sent: Tuesday, August 26, 1997 8:21 PM To: tesla-at-pupman-dot-com Subject: Re: Per Niva's spark gap I'm using solid brass knobs, as used on kitchen cabinets here in the US. I mounted a row of them on a strip of fiberglass, which I could bend to vary all the gaps at once.