Filings coherer, Lodge-Muirhead system, 1900-1910

PART OF:
Experimental coherers designed or used by Sir Oliver Lodge, 1894-1904
Made:
1900-1910 in England
designer:
Oliver Joseph Lodge
Filings coherer with arrangement for adjusting the compression

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Filings coherer with arrangement for adjusting the compression
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, England, around 1902.

Details

Category:
Radio Communication
Object Number:
1942-40/6
Materials:
glass, silk and metal (unknown)
Measurements:
overall: 14 mm x 28 mm x 141 mm,
type:
coherer
credit:
Donated by E. E. and T. H. Robinson