Clark standard element (cell) no. 142
- Made:
- 1872 in Westminster
Clark standard element (cell) no. 142, PHY 190, 1872, by Warden, Muirhead and Clark, Westminster
Details
- Category:
- Telecommunications
- Object Number:
- 1989-963
- type:
- standards
- credit:
- Muirhead Vactric Components Limited