File:Knowles Radio Hypnotic Crystal - Knowles Complete System (p. 19) - 1899.jpg

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Summary

Description	A hand holding a small Knowles Radio Hypnotic Crystal.
Source	Knowles, Elmer E. (1899), Prof. Elmer E. Knowles' Complete System of Personal Influence and Healing, p. 19, London: National Institute of Science.
Date	c. 1899
Author	Elmer S. Prather, National Institute of Science
Permission	Copyright expired, originally printed prior to 1923 in U.S.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	10:29, 16 April 2018		568 × 760 (150 KB)	TK (talk \| contribs)	{{Information \|Description = A hand holding a small Knowles Radio Hypnotic Crystal. \|Source = Knowles, Elmer E. (1899), ''Prof. Elmer E. Knowles' Complete System of Personal Influence and Healing'', p. 19, London: National Institute of Science. \|Da...

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