Relaxation oscillator using a Thyratron (T426E)

This oscillating circuit for a frequency of 588 KHz was found in a book on electronic designs with modern tubes.

Wheatstone Bridge (CB25887E)
We found this circuit in the September 1995 issue of Electronics Now magazine. The circuit has 6...
Overtemperature Alarm (CB11839E)
This circuit causes a buzzer to emit an intermittent tone when the temperature sensed by the...
Mini Tesla Coil (CB12405E)
This circuit was found in a 1994 Electronics Now. The circuit uses an old analog TV flyback and...