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The Electro Magnetic Telegraph: with an Historical Account of its Rise, Progress, and Present Condition

  • Also, practical suggestions in regard to insulation, and protection from the effects of lightning. Together with an appendix, containing several important telegraphic decisions and laws

  • 1853

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  • 23 cm
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  • Courtesy of Science History Institute

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Turnbull, Laurence. “The Electro Magnetic Telegraph: with an Historical Account of Its Rise, Progress, and Present Condition .” Philadelphia, Pennsylvania, 1853. https://digital.sciencehistory.org/works/hmo12zt.

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The Science History Institute recognizes there are materials in our collections that may be offensive or harmful, containing racist, sexist, Eurocentric, ableist, or homophobic language or depictions. The history of science is not exempt from beliefs or practices harmful to traditionally marginalized groups. The Institute is engaged in ongoing efforts to responsibly present and address the evidence of oppression and injustice inextricable from the history of science. If you would like to learn more about our ongoing efforts or if you encounter harmful, inaccurate, or insufficient descriptions, please contact us at digital@sciencehistory.org.