Carborundum detector, A.T.M. Co. Ltd., 1915

Made:
1915
Carborundum detector, A.T.M. Co. Ltd., 1915

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Carborundum detector, A.T.M. Co. Ltd., 1915
Science Museum Group
© The Board of Trustees of the Science Musuem

Carborundum detector, A.T.M. Co. Ltd., 1915

Details

Category:
Radio Communication
Object Number:
1985-707
type:
carborundum detector