Power source for tubes (T384E)

This experimental bench source was found in a modern book on tubes. The components used can be easily obtained.

Touch Control (CB20317E)
This circuit allows control of loads of up to 1 A with voltages from 3 to 15 V. The transistor must be...
Crystal Oscillator (CB14738E)
Crystals from 100 kHz to 1 MHz can be used in this 1957 Raytheon circuit. 4 can have values...
Negative Edge Differentiator LM3900 (CB15256E)
Other amplifiers of the series like the MC3301, MC3401 and LM2900 can be used in this circuit. We found...