Konstantin Raudive & Michael Smythe ‎– Breakthrough: An Amazing Experiment In Electronic Communication With The Dead (1971, 7")

"This Was A Free Flexi Given Away With Issue No. 1 Of The Unexplained: Mysteries Of Mind Space & Time Magazine published by Orbis (Publishing). Made In England By Sound For Industry." via Discogs

1. A General Introduction With Examples Of The Voices 
2. Examples Of Microphone, Radio Frequency, Diode, Goniometer And Psychophone Voices. 

This is not my rip and it's only 128. Get ready for the Halloween posts. 

Grab it here.