This circuit causes the neon lamps in a set to flash randomly. Capacitors determine the speed of blinks. The supply must be made with high voltage.
This circuit is from 1968 documentation. We can assemble it with more modern components such as a...
Found in a 90s Silicon Chip documentation this circuit is intended to protect a speaker system in...
The UVTRON tube is an ultraviolet radiation sensor. In this circuit from Radio Electronics from...