Triumphs and wonders of the 19th century, the true mirror of a phenomenal era, a volume of original, entertaining and instructive historic and descriptive writings, showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress .. . hen one was laid across the Persian Gulf,did enterprise gain sufficient courage to dareanother attempt to cable the Atlantic. In1865, that attempt was made. Again thecable broke, but this did not dissuade fromanother and successful attempt in signal triumph was the forerunner ofothers,
Triumphs and wonders of the 19th century, the true mirror of a phenomenal era, a volume of original, entertaining and instructive historic and descriptive writings, showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress .. . hen one was laid across the Persian Gulf,did enterprise gain sufficient courage to dareanother attempt to cable the Atlantic. In1865, that attempt was made. Again thecable broke, but this did not dissuade fromanother and successful attempt in signal triumph was the forerunner ofothers, equally important to internationalcommerce and the worlds diplomacy. Coun-tries far apart, and isolated by oceans, have,by means of deep-sea cables, been broughtinto intimate relation, and made sharers ofone anothers intelligence, enterprise, andcivilizing instincts. What the overlandtelegraph has done toward bringing localstates and communities into contact, thesubmarine cable has done for the remotenations. In form, an ocean cable differs muchfrom the simple wire which constitutes the conductor of an overland or even underground telegraph. It is madein many ways, but mostly with a central core of numerous copper wires,which are more flexible than a single wire. These are thickly covered with. OCEAN CABLE. 30 TRIUMPHS AND WONDERS OF THE XIX™ CENTURY an insulating material, such as gutta-percha, after first being heavily wrappedin tarred canvas or like material. The central cores may be one, two, three,or even more in number. Where a cable is likely to be subjected to theabrasion of ship-bottoms, rocks, or anchors, it has an outer covering orguard composed of closely united steel wires. In submarine telegraphy, theinstruments used in sending and receiving the message are very much moreingenious, delicate, and costly than in overland telegraphy. Whereas at the beginning of the nineteenth century electric telegraphywas an unknown science, and even up to the middle of the centur
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Keywords: ., bookcentury1800, bookdecade1890, bookidtri, booksubjectinventions
