BLB-F-006791-0000 Submarine telegraph map, from "Submarine Telegraph Map of the World showing exist of W. Abbott" (London, Bates, Hendy & Co., 1876), Maps.957.(14), British Library, London Credit: The British Library Board/Alinari Archives, Florence WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Collection: The British Library Board/Alinari Archives, Florence Object type: digital image Photographic technique: P digital image Technical info Image sizes (pixel): 6000 X 4015 Image sizes (cm at 300 dpi): 50 X 33 Image sizes (MB): 3.82 Color space: RGB