File:EB1922 Telephone - impulse circuit.jpg
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EB1922_Telephone_-_impulse_circuit.jpg (795 × 291 pixels, file size: 26 KB, MIME type: image/jpeg)
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[edit]DescriptionEB1922 Telephone - impulse circuit.jpg |
English: Diagram of connection between telephone dial and subscriber line. |
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Date | published 1911 | ||||
Source | “Telephone,” Encyclopædia Britannica (12th ed.), v. 32, 1922, p. 707, fig. 3. | ||||
Author | Unknown authorUnknown author | ||||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:33, 21 November 2019 | 795 × 291 (26 KB) | Bob Burkhardt (talk | contribs) | remove caption text | |
22:49, 20 November 2019 | 795 × 291 (27 KB) | Bob Burkhardt (talk | contribs) | {{Information |description ={{en|1=Diagram of connection between telephone dial and subscriber line.}} |date =published 1911 |source =“Telephone,” ''Encyclopædia Britannica'' (12th ed.), v. 32, 1922, p. 707, fig. 3. |author ={{Unknown|author}} |permission ={{PD-Britannica}} }} Category:Telephone diagrams |
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