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Illustrations, Publications

The Telegraph

  • 1896

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Pages 476 and 477 from the 1896 volume New Catechism of Electricity detailing the key components and functionality of the telegraph. The text is accompanied by an illustration of the telegraph's transmitting key (Figure 271).

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  • 17 cm H
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Rights Public Domain Mark 1.0
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  • Courtesy of Science History Institute

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  • Page 476, Shelfmark TK151 .H49 1896

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Hawkins, N. (Nehemiah). “The Telegraph.” New Catechism of Electricity: A Practical Treatise. New York, New York: T. Audel & Company, 1896. TK151 .H49 1896. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/qn081d8.

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