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.

Phase Splitter (CB4239E)
From an audio signal, this circuit gets two signals of the same amplitude and opposite phases....
Emergency Light (CB16649E)
This simple emergency light circuit uses few components and a standard 12 V car or motorcycle...
Linear Ramp Generator MC1455 (CB14585E)
The integrated circuit used is equivalent to the 555 and the transistor can be the BC558. R1 and...