Filings coherer, small glass tube with bulb at one end and cap of red sealing wax at other end, 1898

PART OF:
Experimental coherers designed or used by Sir Oliver Lodge, 1894-1904
Made:
1898 in England
designer:
Oliver Joseph Lodge
Filings coherer

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

Filings coherer, small glass tube with bulb at one end and cap of red sealing wax at other end, designed or used by Sir Oliver Lodge, England 1898

Details

Category:
Radio Communication
Object Number:
1942-40/12
Materials:
glass, wax and copper (metal)
Measurements:
overall: 65 mm 11 mm,
type:
coherer
credit:
Donated by E. E. and T. H. Robinson