Top-electrode corona

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

Original poster: "Kennan C Herrick by way of Terry Fritz <twftesla-at-uswest-dot-net>" <kcha1-at-juno-dot-com>

Several folks have commented recently on the presence of top-electrode
corona under the condition where a spark per se just does not break out,
due to insufficient voltage.  Not to deny it, but I'll report that I do
not see it in my s.s. coil.  Admittedly, I did not operate it in total
darkness due to some light coming in via windows.  But it was quite dark
and my eyes were adapted; I could see nothing at all looking at the
toroid from ~4 ft. away.  I checked it using both a smooth toroid (from
Landergren) and a corrugated one.

It may be a phenomenon having to do with the air-inertia effect that I
postulate (see my other posting of today, etc.).

Comments...?

Ken Herrick
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