novelty crystal radio set, 1925-1930

Made:
1925-1930 in Hammersmith
Crystal set in the form of a book, by Kenmac Radio Ltd, Hammersmith, London, England, introduced 1925. Three quarter Crystal set in the form of a book, by Kenmac Radio Ltd, Hammersmith, London, England, introduced 1925. Three quarter Crystal set in the form of a book, by Kenmac Radio Ltd, Hammersmith, London, England, introduced 1925. Three quarter

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Crystal set in the form of a book, by Kenmac Radio Ltd, Hammersmith, London, England, introduced 1925. Three quarter
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Crystal set in the form of a book, by Kenmac Radio Ltd, Hammersmith, London, England, introduced 1925. Three quarter
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Crystal set in the form of a book, by Kenmac Radio Ltd, Hammersmith, London, England, introduced 1925. Three quarter
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Crystal set in the form of a book, made by Kenmac Radio Limited, Hammersmith, London, England, 1925-1930

Receivers using crystals to detect radio signals were cheap, and a variety of novelty examples like this one, in the form of a book, were produced.