Hi Peter:

That will teach me tomake a statement without my resources handy, so please
do not time me. I have started looking now. I recall that there are
probably one or more in Hints and Kinks, none in the ARRL Handbook (it was
pretty basic as far as test equipment0, one or more in QSTs from the 50s and
various other books. I have most of those so will go through them. We have
a lot of readers, so do not be bashful if you know the references.

Some of the early computers used neon bulbs as dividers and the circuit is
in some of those textbooks.

Well, go ahead and time me starting - - now.

Colin K7FM