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 didactic circuit from a 1977 Radio Shack documentation shows how to use the 741 as a...
This circuit from the 80's can be easily implemented but needs some changes to avoid problems with...
Found in a 1967 General Electric documentation, this circuit generates a ladder signal from...