This General Electric circuit was found in a 1964 documentation. The circuit triggers a relay when the sensor is activated. Trigger adjustment is done in a trimpot.
This simple rhythmic light for incandescent lamps was found in old English documentation....
In the figure we show how to obtain a stabilized voltage for the filament of a 6.3 V x 100 mA...
Found elsewhere in this section, but from other sources, this circuit is from Motorola...