
Twelve specimens of types of submarine cable composing "Mumetal" loaded cable laid from Bay Roberts to Horta





Twelve specimens of types of submarine cable composing "Mumetal" loaded cable laid from Bay Roberts to Horta, 1928
Details
- Category:
- Telecommunications
- Object Number:
- 1929-697
- type:
- specimens
- credit:
- Telegraph Construction & Maintenance Co. Limited