Filings coherer, Lodge-Muirhead system, 1900-1910

Filings coherer, Lodge-Muirhead system, 1900-1910

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

Filings coherer, with arrangement for adjusting the compression of filings by using an external magnet to turn the head of a screw inside the tube, Lodge-Muirhead system, designed or used by Sir Oliver Lodge, England, around 1902.

Details

Category:
Radio Communication
Object Number:
1942-40/27
Materials:
glass
Measurements:
overall: 20 mm x 157 mm x 30 mm,
type:
coherer
credit:
Donated by E. E. and T. H. Robinson