Radio Hypnotic Crystal device, c.1950, by Knowles

Made:: 1940-1960

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Radio Hypnotic Crystal device, c.1950, by Knowles
Science Museum Group
© The Board of Trustees of the Science Museum

Radio Hypnotic Crystal device, c.1950, by Knowles

Details

Category:: Therapeutics

Object Number:: 1982-1450

Materials:: container, metal and contents, sand, ? material

type:: hypnotisers

credit:: Natural History Museum

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Radio Hypnotic Crystal device, c.1950, by Knowles

Details

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