Filings coherer
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Licence
Filings coherer, Lodge-Muirhead system, patented 1901
Science Museum Group
© The Board of Trustees of the Science Musuem
Filings coherer, Lodge-Muirhead system, patented 1901, with arrangement for adjusting the compression of filings by using an external magnet to turn the head of a screw inside the tube. Adjustment washer inside the tube marked in handwriting ‘Dec 31 1902’.
Details
- Category:
- Radio Communication
- Object Number:
- 1923-442
- type:
- coherer
- credit:
- Northampton Polytechnic Institute
