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The Hieronymus Machine and Claims of Detecting Invisible Energy

The Hieronymus Machine is one of the most famous detector devices in radionics history. Usually linked to Thomas Galen Hieronymus and his 1949 patent for the detection of emanations from materials, the machine was later said to identify hidden elemental signatures and manipulate a subtle force he called eloptic energy, while skeptics dismissed it as pseudoscientific instrumentation.