This dual clock generator appeared in the February 1972 issue of Radio Electronics magazine. It is intended for project bench or educational applications and uses TTL logic.
This Nixie pipe circuit was found in 1965 documentation. Note the high supply voltage. Appropriate...
This circuit is from a 1976 publication, but it can be assembled with modern components. For the...
Found in Popular Electronics from the 90's, this circuit consists of an audio oscillator for Morse...