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Tester set No. 89A, 1931
- Made:
- 1931 in United Kingdom
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
Tester set No. 89A, 1931
Details
- Category:
- Telecommunications
- Object Number:
- Y2003.22.167.3
- Measurements:
-
Overall: 40 mm x 115 mm x 60 mm,
- credit:
- Gift of British Telecommunications plc