A "scientifically designed device based on sound cybernetic feedback principles."
This ad for the "Cybernator" was plucked off a bulletin board on the campus of Foothill College in Los Altos Hills, CA in 1976 or 1977.
Over the years, it had been folded and has faded some, so a bit of effort was made to "clean up" this electronic reproduction.
For your convenience, the text on the original ad has been reproduced below:
The Cybernator is a scientifically designed device based on sound cybernetic feedback principles.
It is intended for use by:
Suffice it to say, being several decades later, it is not likely that this offer is still valid.
Did this device work? Who knows?