NSM wrote:
"Roy Hammond" wrote in message
...
| I like the simple approach - neon, SCR and transformer. But what
transformer
| would be sufficient but also safe?

A flyback transformer out of a junked TV. Run it off 6 VDC - it'll be safer
than 230. Look on the web for tesla coil designs.

A car ignition coil has the advantage of being hermetically sealed.

-Chuck