Right. Never mind the ducats, here come the Lucid Stimulators.... ;D
Once I had a machine by Patrick Flanagan, the Neurophone, now that was an inexpensive piece of equipment and was quite peculiar indeed.
More About the Neurophone - Tools For Wellness - QLink EMF ... Order Online or Call Toll-Free 1-800-456-9887 ... In 1968, the United States Patent Office issued patent #3,393,279 to Dr. Patrick Flanagan ... www.toolsforwellness.com/75162a.html - Cached Patrick Flanagan - Wikipedia, the free encyclopedia Childhood|Pyramid power|Claimed inventions and discoveries|References Gillis Patrick Flanagan (born 11 October 1944 in Oklahoma City, Oklahoma) is an American inventor. As a teenager Flanagan invented a "Neurophone" which he said ... en.wikipedia.org/wiki/Patrick_Flanagan - Cached
I downloaded that screed on the neurophone and I'll read up on it later. I recall hearing about it some time ago. It puts sound inside your body. What kind of effects did you notice?
Awhile back, I got an Orion Unit from 'Tools for Exploration' when they were still based in San Rafael, CA. They were probably an earlier incarnation of 'Tools for Wellness'. I think it was in the nineties. The unit still works ok. It delivers preprogrammed pulses to a set of red leds in a pair of mirrored sunglasses.
With your eyes closed, the brain creates the most extraordinary series of colours and patterns.