File:EB1922 Telegraph - Murray multiplex transmitting tape.jpg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:45, 1 October 2019 | 812 × 188 (31 KB) | Bob Burkhardt | {{Information |description ={{en|1=A portion of the Murray multiplex transmitting tape perforated to represent the word “telegraph.”}} |date =published 1922 |source =“Telegraph,” ''Encyclopædia Britannica'' (12th ed.), v. 32, 1922, p. 699, fig. 2. |author ={{Unknown|Artist}} |permission ={{PD-Britannica}} }} Category:Telegraphy Category:Punched tapes |
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