File:EB1922 Telegraph - Terminal Circuit for Carrier Telegraph Channel.jpg
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Original file (1,708 × 1,126 pixels, file size: 264 KB, MIME type: image/jpeg)
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Summary
| Description |
English: Terminal Circuit for Carrier Telegraph Channel. |
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| Date | published 1922 | |||
| Source | “Telegraph,” Encyclopædia Britannica (12th ed.), v. 32, 1922, p. 705, fig. 12. | |||
| Author | William Noble | |||
| Permission (Reusing this file) |
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File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:49, 31 October 2019 | | 1,708 × 1,126 (264 KB) | Bob Burkhardt | {{Information |description ={{en|1=Terminal Circuit for Carrier Telegraph Channel.}} |date =published 1922 |source =“Telegraph,” ''Encyclopædia Britannica'' (12th ed.), v. 32, 1922, p. 705, fig. 12. |author =William Noble |permission ={{PD-Britannica}} }} Category:Telegraphy |
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