Crystal detector by Ducretet and Roger of Paris

Made:
1908-1912 in Paris
maker:
F Ducretet and Ernest Roger
Crystal detector by Ducretet and Roger of Paris, c. 1910

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Crystal detector by Ducretet and Roger of Paris, c. 1910
Science Museum Group
© The Board of Trustees of the Science Musuem

Crystal detector by Ducretet and Roger of Paris, c. 1910

Details

Category:
Radio Communication
Object Number:
1971-594
type:
crystal detector