This circuit was found in an old GE manual. It uses a thermocouple as a sensor. The SCR must be in accordance with the power of the controlled load.
This bistable circuit with the CMOS 4014 can be found in several ways in this section and on this...
In the figure we have a way of obtaining a 13,2 V with current up to 5 A using an integrated 7812...
We found this circuit in documentation from Ferranti from 1968. The circuit uses transistors from that...