Two electronic clock modules and another electronic module
- Made:
- 1980-1985
Two electronic clock modules and another electronic module, interconnected and mounted in one frame, from a TXE4 telephone exchange, early 1980s, for timing calls and setting charge bands
Details
- Category:
- Time Measurement
- Object Number:
- 1993-710
- type:
- clock module
- credit:
- British Telecommunications Plc