Spectra Ex Machina: A Sound Anthology of Occult Phenomena 1920-2017 Vol.1

The Anthology Spectra Ex Machina brings togetherrare documents pertaining to so-called occultphenomena, most of them taken from little-knownarchives. In the course of three volumes, this seriestraces an audio history of parapsychology throughthe exploration of spiritualism and haunted houses(vol. 1); musician mediums (vol. 2); experiencesof extrasensory perceptions (clairvoyance,psychokinesis, etc.) and electronic voicephenomena (vol. 3).