![](https://coimages.sciencemuseumgroup.org.uk/45/854/medium_thumbnail_1984_0814__0001_.jpg)
Filings coherer, Lodge-Muirhead system, 1900-1910
- designer:
- Oliver Joseph Lodge
![Filings coherer, Lodge-Muirhead system, 1900-1910 (coherer)](https://coimages.sciencemuseumgroup.org.uk/49/242/medium_1942_0040_0026__0001_.jpg)
Filings coherer with arrangement for adjusting the compression of filings by using an external magnet to turn the head of a screw inside the tube, Lodge-Muirhead system, designed or used by Sir Oliver Lodge, England, around 1902.
Details
- Category:
- Radio Communication
- Object Number:
- 1942-40/26
- Materials:
- glass
- Measurements:
-
overall: 20 mm x 155 mm x 25 mm,
- type:
- coherer
- credit:
- Donated by E. E. and T. H. Robinson