Filings coherer, glass tube bent at 45-degree angle at one end to form side-pocket, 1898

Filings coherer, glass tube bent at 45-degree angle at one end to form side-pocket, 1898

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Filings coherer, glass tube bent at 45-degree angle at one end to form side-pocket, designed or used by Sir Oliver Lodge, England, 1898. Paper label stuck round tube marked in handwriting ’15 / Dec 23 / 1898’.

Details

Category:
Radio Communication
Object Number:
1942-40/17
Materials:
metal (unknown) and glass
Measurements:
overall: 10 mm x 50 mm x 55 mm,
type:
coherer
credit:
Donated by E. E. and T. H. Robinson