The setting of this power supply is only 0.1%. We found it in a 1969 US documentation. Transistors may be current equivalents. Note the use of symmetrical power supply.
This configuration appears elsewhere on this site. This is from a 90’s Popular Electronics and is valid for...
This circuit is from an Electronics World of 1968. The transistors are of the time and the power...
An way to change the frequency of the previous oscillator (CIR112E) is to add a variable capacitor in the...