On 6/16/2006 at 10:53 PM ard at p850ug1.demon.co.uk wrote:
More seriously, there is a useful book called 'Cold
Cathode Tube Circuit
Design' that contains circuits for using neon bulbs as counters and shift
registers. However, I don't think this book has been reprinted, and it's
not cheap second-hand (no, my copy is not for sale!)
How about this one? Search engines are wonderful--my search term was "neon
multivibrator":
http://www.electricstuff.co.uk/oldbooks.html
Cheers,
Chuck