This configuration with the LM111 was found in your factory manual. The circuit can be implemented with modern operational equivalents. The power supply must be symmetrical.
The simple touch of the fingers on a sensor causes this circuit to drive a motor that goes into...
We find this circuit in an American documentation from the 80's. The circuit has the coil given by the...
This circuit can be implemented with other operational ones. We found it in documentation from the...