
Ball coherer or detector
Ball coherer or detector, Branly collection. Other numbers are A182851 and B3934.
Branly ball coherer or detector, lacks the glass tube, with six polished ball bearings (originally seven).
Details
- Category:
- Telecommunications
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A182851
- type:
- detector
- credit:
- Wellcome Collection