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John Augustus Roebling (born Johann August Röbling; June 12, 1806 – July 22, 1869) was a German-born American civil engineer. [1] He designed and built wire rope suspension bridges, in particular the Brooklyn Bridge, which has been designated as a National Historic Landmark and a National Historic Civil Engineering Landmark.
This category is only for images of logos and similar marks related to trade unions of the United States.It does not include other images related to trade unions, such as images of people, buildings, strikes, rallies, picket signs, song sheets, buttons or shirts.
File:Amalgamated Society of Wire Drawers and Kindred Workers logo.jpg; File:Amazon Labor Union (logo).svg; ... File:National Distribution Union logo.png; File ...
Contemporary map of the 1858 transatlantic cable route. Transatlantic telegraph cables were undersea cables running under the Atlantic Ocean for telegraph communications. . Telegraphy is an obsolete form of communication, and the cables have long since been decommissioned, but telephone and data are still carried on other transatlantic telecommunication
Figure parts A–D show steps in forming a "short tie" Western Union splice. Figure parts E and F show two possible "long tie" variations. [2]The Western Union splice or Lineman splice is a method of joining electrical cable, developed in the nineteenth century during the introduction of the telegraph and named for the Western Union telegraph company.
A wire rope clamp designed to loop wire cable without the losing the integrity of the wire was invented by Oliver Crosby in 1886. [3] American Manufacturing Company invented further enhancements to the construction industry by establishing steam-powered hoists in 1889 and the largest electric hoists, up to 15 hp.
Wire rope manufacturing: The company has supplied wire ropes for various applications in sectors such as oil and gas, mining, elevators, cranes, bridges, and general engineering. [ 11 ] Infrastructure and construction projects: The firm has been involved in supplying steel products, including wire ropes and strands, for infrastructure and ...
This included importing aircraft cable and wire rope from Europe and Japan as well as distributing tools and fittings. In 1962, Loos & Co. began to manufacture cable assemblies. In 1964, facilities were expanded to produce plastic-coated cables. By 1971, the company acquired the necessary equipment and began manufacturing wire rope and cable. [6]