Filings coherer, glass tube formed into bulbs at each end at right angles, 1899

Filings coherer, glass tube formed into bulbs at each end at right angles, 1899

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Filings coherer, glass tube formed into bulbs at each end at right angles, designed or used by Sir Oliver Lodge, England, 1899. Paper label stuck round tube marked ’16 / Jan 3 / 1899’

Details

Category:
Radio Communication
Object Number:
1942-40/15
Materials:
glass
Measurements:
overall: 30 mm x 54 mm x 40 mm,
type:
coherer
credit:
Donated by E. E. and T. H. Robinson