File:EB1922 Telegraph - Terminal Arrangement for Metallic Telegraph Cable Circuit.jpg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:06, 22 October 2019 | 861 × 430 (56 KB) | Bob Burkhardt | {{Information |description ={{en|1=Terminal Arrangement for Metallic Telegraph Cable Circuit}} |date =published 1911 |source =“Telegraph,” ''Encyclopædia Britannica'' (12th ed.), v. 32, 1922, p. 703, fig. 8. |author =William Noble |permission ={{PD-Britannica}} }} Category:Telegraph instruments |
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