Operations testing and regulations manual for the Western Union telegraph test bench
- PART OF:
- Western Union telegraph test bench
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Science Museum Group
© The Board of Trustees of the Science Museum
Operations testing and regulations manual for the test bench, by The Western Union Telegraph Company, New York, United States, 1951
Details
- Category:
- Telecommunications
- Object Number:
- 1972-392/2
- Materials:
- paper (fibre product)
- type:
- manual
- credit:
- Western Union International
