File:NIE 1905 Telegraphy, Submarine - simple cable circuit.jpg
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Size of this preview: 800 × 338 pixels. Other resolutions: 320 × 135 pixels | 950 × 401 pixels.
Original file (950 × 401 pixels, file size: 68 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 20:43, 24 August 2017 | 950 × 401 (68 KB) | Bob Burkhardt | {{Information |Description ={{en|1=A diagram of a simple analog circuit for use with a cable in submarine telegraphy.}} |Source =“Telegraphy, Submarine,” The New International Encyclopædia, v. 19, 1905, p. 97. |Author =unknown a... |
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