Bistable light relay (CB21708E)

This circuit was found in an internet documentation. The relay must have voltage according to the supply.

Touch Sensor 4013 (CB15761E)
This circuit fires at the touch of a sensor, passing its output from high to low in a time given by...
Binary Counter using Relays (CB6607E)
This circuit was found in a 1967 US publication. In it we have the implementation of a ring...
Touch Volume Control (CB12470E)
The strength of an audio signal can be controlled by touching sensors. Keeping the finger in...