Crystal detector with mechanism for re-locating cat's whisker on crystal. Marked ' Knivetown' and 'Friro'

Made:: 1922-1928

Crystal detector with mechanism for re-locating cat's whisker on crystal. Marked ' Knivetown' and 'Friro', c. 1925

Details

Category:: Radio Communication

Object Number:: 1983-28

type:: crystal detector

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Crystal detector with mechanism for re-locating cat's whisker on crystal. Marked ' Knivetown' and 'Friro'

Details

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