RE: Conical primary length formula

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

Original poster: pepperman-at-softhome-dot-net 

Godfrey,
Thanks a bunch for that formula!  Thanks also for the jpeg graphic
of it off-list--what do you think of making it available somewhere (on
this site or maybe hot-streamer, if that's possible?) in case
someone would be interested?  (It's much easier to see it when the
formula is written out and there's a labeled picture!)  BTW, where
did you get the formula?

Michael Johnson