From the book

SAINT GERMAIN ON ALCHEMY

Formulas for Self-Transformation

recorded by Mark L. Prophet and Elizabeth Clare Prophet 

Another development of the coming age will be a camera so  sensitized that it will make possible the photographing of the human aura. This will enable physicians to discover the fundamental causes of many physical diseases as well as the solution to psychiatric problems related to the emotions and subconscious records of past experiences, even in previous lives unknown to the patients themselves.

The wave patterns caused by criminal tendencies and crimes recorded in the etheric body will also be "photographed," or recorded by sensitive instruments in graphic form similar to the process now used to record brain waves and impulses of the  nervous system. Evidence of guilt or innocence will thereby be afforded those administrators of justice who formerly relied on incomplete knowledge of events in the penalizing of delinquent individuals.

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From the book

Foster Bailey Things to Come 

Scientist have established the existence of an "energy body" surrounding and interpenetrating the physical form. And a great deal of experimentation is in process now with photgraphic methods of recording the auric emanation of the etheric body and its reactions to changing conditions. This was pioneered in Russia, but is spreading far and wide. New and significant develpments are inevitable by the end of the century whih will help to break down barriers between men as etheric structure is revealed as one energy system.