File:EB1922 Telephone - Great Britain - map of scheme for telephonic communication by means of underground cables and telephone repeaters.jpg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:32, 13 January 2020 | 791 × 1,042 (158 KB) | Bob Burkhardt | {{Information |description ={{en|1=A map illustrating a scheme for providing telephonic communication between all the important towns of Great Britain by means of underground cables and telephone repeaters. The construction of this extensive system was well advanced in 1921 and was due for completion in 1925. }} |date =published 1922 |source =“Telephone,” ''Encyclopædia Britannica'' (12th ed.), v. 32, 1922, p. 709, fig. 7. |author =William Noble |permission ={{PD-B... |
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