A Hieronymus machine is any of the patented radionics devices invented by electrical engineer Thomas Galen Hieronymus (21 November 1895 – 21 February 1988).[1] Hieronymus received a U.S. Patent for his invention in 1949, which was described in the patent application title as a device for "detection of emanations from materials and measurement of the volumes thereof".[2][3]
^Sampson, Wallace; Vaughn, Lewis. (2000). Science Meets Alternative Medicine: What the Evidence Says about Unconventional Treatments. Prometheus Books. p. 109. ISBN1-57392-803-8.