Telegraph in America, 1832–1920, , Johns Hopkins University Press, David Hochfelder,History of engineering and technology,Technology: general issues, Telegraph, telecommunications, Civil War, technology, co-construction, modernity,, Johns Hopkins Studies in the History of Technology, United States, en-UShttps://www.press.jhu.eduTelegraph, telecommunications, Civil War, technology, co-construction, modernity, [BLURB],[CITY],,books, ebooks, biblet, Book2look