" It had been invented from the 1940s by a chiropractor and Dianetics fanatic named Volney Mathison. This machine, linked to the Digital lie detectors of the time, is employed by Scientologists in auditing To guage "psychological masses" encompassing the thetan. These "masses" are claimed to impede the thetan from http://scientology-stuttgart31111.canariblogs.com/about-ron-hubbard-15977418