Submarine cable telephone repeater, 1940-1950

Made:
1940-1950

Submarine cable telephone repeater less outer casing, unknown maker, 1940-1950.

This was the world's first submarine telephone cable repeater to use thermionic valves. It was inserted in the in the cable across the Irish Sea that connected Anglesey and the Isle of Man.

Details

Category:
Telecommunications
Object Number:
2004-179/1
Materials:
copper (alloy), glass, metal (unknown) and paint
type:
thermionic valve
taxonomy:
  • component - object
credit:
Donated by BT Heritage and Archives