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 .. (1899)
Boyd, James Penny, 1836-1910 · Philadelphia, Pa., A. J. Holman & Co · leaf 38
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… … 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…
Progress · Inventions
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