Coherer, with steel needle inside part-wound with copper wire, 1894-1904

Coherer, with steel needle inside part-wound with copper wire, 1894-1904

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Coherer, cylindrical glass tube with steel needle inside part-wound with copper wire, designed or used by Sir Oliver Lodge, England, 1894-1904

Details

Category:
Radio Communication
Object Number:
1942-40/24
Materials:
glass
Measurements:
overall: 95 mm 7 mm,
type:
coherer
credit:
Donated by E. E. and T. H. Robinson