Great facts : a popular history and description of the most remarkable inventions during the present century (1860)
Bakewell, Frederick C. (Frederick Collier), 1800-1869 · New York, D. Appleton and company · leaf 178
tion against the rocks, and thecommunication was stopped. The plan afterwards adopted for a permanent sub-marine line was to enclose five similar wires in ahollow iron wire cable. The wires were first slightlytwisted, to prevent them from being broken whenstretched. They were then covered with… … five twisted wires are shown at G; B represents thesame covered with hemp yarn: and A a portion ofthe completed cable, constructed of thick iron wiregalvanized. This cable has now been laid down forseven years, and with perfect success. Its strengthhas often been severely tested, as it has been…
Inventions
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-134-73.webp)
