This Nixie pipe circuit was found in 1965 documentation. Note the high supply voltage. Appropriate transistors of the time were used.
Indicated for applications with a PC, this circuit was obtained in an English publication in 1992....
This circuit of a 1969 Electronic Design uses RTL logic. The setting can be adapted to TTL. The...
This circuit with TTL compatible output was found in a 1968 US documentation. The circuit is...