We found this circuit in a 1971 documentation. The circuit can be assembled with more modern transistors such as BC548 for Q1, BC558 for Q2 and BD135 for Q3.
Obtaining a voltage that is proportional to a current drained by a load can be important in...
The good signal of this circuit depends on L1 and C1. For 80 turns of wire 28 with a central...
Found in a 1966 General Electric manual, this circuit provides a delay in starting. The motor is...