This circuit, of a Popular Electronics of 1969 is destined to firing a gas LASER of the time. The circuit makes use of a high voltage transformer for triggering.
This project is from a 1982 documentation, based on an astable multivibrator with two transistors. The...
Found in ancient American documentation, this circuit uses some components from the time, such as...
We found this circuit in an old publication. The circuit can be implemented with modern equivalent...