Abstract
AT the Telegraph Office, Washington, on Dec. 11, 1873, an experiment was carried out in the presence of Mr. Creswell, the Postmaster-General of the United States, the practical results of which will be of immense importance as regards the future of telegraphy throughout the world.
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Telegraphing Extraordinary . Nature 9, 212 (1874). https://doi.org/10.1038/009212a0
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DOI: https://doi.org/10.1038/009212a0