This is the innards of an art piece I made called "867-5309". It uses very old technology such as a dekatron and gas trigger tubes to sequence the phone number of Jenny from the Tommy Tutone song. The clock pulses are generated by a neon relaxation oscillator. The dekatron cathodes drive the gates of the trigger tubes and these tubes drive the cathodes of the nixie tube.
http://www.simonwinderart.com
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