Coherer, with several needles, 1894-1904

Coherer, with several needles, 1894-1904

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

Coherer, small glass cylindrical tube with several pointed needles at each end pointing to the middle and terminals at outer ends, designed or used by Sir Oliver Lodge, England, 1894-1904

Details

Category:
Radio Communication
Object Number:
1942-40/4
Materials:
glass
Measurements:
overall: 57 mm 7 mm,
type:
coherer
credit:
Donated by E. E. and T. H. Robinson