
Wireless crystals
- Made:
- circa 1917 in Manchester


Box of wireless crystals made by British Electrical Instruments of Manchester in around 1917.
Details
- Category:
- Radio Communication
- Object Number:
- Y7001.805.3
- Measurements:
-
Overall: 15 mm 25 mm, 3 g
- type:
- wireless crystals
- credit:
- Gift of Mrs Parks