This circuit found in 1969 Popular Electronics is used to power a gas laser. The circuit produces a continuous voltage of 1,600 V. Diodes are high voltage types.
Found in American documentation from the 90's, this circuit activates a 12 V sensitive relay. The...
This circuit, suggested by Motorola, provides a voltage of 15 V under a current of up to 2 A. The...
Among other applications, the 1960 Sylvania transistor manual indicates this timer for chess...