7-segment display driver (CB20551E)

We found this circuit in English documentation from 1996 for PCs. The circuit is for common cathode display.

Fiber Optic Motor Control (CB6232E)
This circuit was found in an 80's General Electric documentation. The circuit uses components from the...
Three Decades Wien Bridge Oscillator (CB14908E)
This oscillator can be used as a signal generator in a workshop, generating sinusoidal signals from...
2 A photo relay (CB8260E)
This circuit is from a 1970 General Electric documentation. It can be found with variations on this...