Filings coherer, Lodge pattern with two wires inserted into bulb at one end, 1894-1904

Filings coherer, Lodge pattern with two wires inserted into bulb at one end, 1894-1904

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Filings coherer, Lodge pattern with two wires inserted into bulb at one end, designed or used by Sir Oliver Lodge, England, 1894-1904

Details

Category:
Radio Communication
Object Number:
1942-40/28
Materials:
glass
Measurements:
overall: 80 mm 15 mm,
type:
coherer
credit:
Donated by E. E. and T. H. Robinson