This circuit from a 1966 General Electric manual makes use of an SCS. The time is given by the emitter capacitors of the unijunction transistor.
With the coded activation of the relays, it is possible to control which of the 16 outputs...
In an article describing the assembly of a Tesla coil, the September 1991 issue of Radio...
This high-power circuit was found in a documentation from the 90s. The circuit can use more...