Filings coherer, glass tube capped at ends, 1894-1904

Filings coherer, glass tube capped at ends, 1894-1904

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Filings coherer, glass tube, capped at ends, designed or used by Sir Oliver Lodge. England, 1894-1904.

Details

Category:
Radio Communication
Object Number:
1942-40/10
Materials:
steel (metal), brass (copper, zinc alloy), wax and glass
Measurements:
overall: 50 mm 8 mm,
type:
coherer
credit:
Donated by E. E. and T. H. Robinson