1500-pair exchange area cable, 1969
- Made:
- 1969 in unknown place
This image is released under a CC BY-NC-SA 4.0
Licence
Buy this image as a print
BuyLicense this image for commercial use at Science and Society Picture Library
License
Science Museum Group Collection
© The Board of Trustees of the Science Museum
1500-pair exchange area cable, with dry paper insulation and copper conductor cable suitable for subscriber-exchange circuits, made to Western Electric Company (USA) specification, unknown maker, 1969. Sheathed with aluminium, steel and polythene, and constructed in units each of 100 pairs.
Details
- Category:
- Telecommunications
- Object Number:
- 1969-346
- Materials:
- paper (fibre product), copper (alloy), aluminium (metal), steel (metal) and polyethylene (polythene)
- Measurements:
-
overall: 235 mm, 70 mm, 1.42 kg
- type:
- cable
- credit:
- Donated by British Insulated Callender's Cables Limited
Related Objects
Cryptograph (coding and decoding machine) by Sir Charles Wheatstone, 1843-1875
Lead weight marked 'Reid' from the first cross-Channel telegraph cable, 1850.
Double-sided dummy single-needle telegraph used for training operators, 1870-1930
Sir W. F. Cooke's original electric alarum, 1835-1840
