Electrically maintained tuning fork type A-340-A
- maker:
- Muirhead and Company Limited
Electrically maintained tuning fork type A-340-A, no.136312, by Muirhead and Co. Ltd.
Details
- Category:
- Telecommunications
- Object Number:
- 1989-1158
- type:
- tuning
- credit:
- Muirhead Vactric Components Limited