Filings coherer, glass tube formed into T-shape at one end and bent round into U-shape at other end with bulb, designed or used by Sir Oliver Lodge, England, 1899. Paper label stuck round tube marked in handwriting ’17 / Jan 3 / 1899’.
- Radio Communication
- Object Number:
- component - object
- radio receiver
- Donated by E. E. and T. H. Robinson
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