G N T receiver (re-perforator)
G N T receiver (re-perforator) Danish pat. 30997 (label on container states transmitter)
Details
- Category:
- Telecommunications
- Object Number:
- 1970-362
- type:
- receiver
- credit:
- Great Northern Telegraph Co. Ltd. of Denmark
G N T receiver (re-perforator) Danish pat. 30997 (label on container states transmitter)
