File:EB1911 Telegraph - submarine cable - laying on an irregular bottom.jpg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 16:47, 17 February 2016 | 834 × 154 (49 KB) | Library Guy | Level sea; clarify letters slightly | |
19:40, 16 February 2016 | 833 × 163 (66 KB) | Library Guy | {{Information |Description ={{en|1=In laying a cable on an irregular bottom it is of great importance that the speed should be sufficiently low. This is illustrated: suppose ''a a'' to be the surface of the sea, ''b c'' the bottom, and ''c c'' the s... |