Project Gutenberg 2020-02-29 Public domain in the USA. 171 Vail, Alfred 1807 1859 Vail, A. (Alfred) gs06000109 The American Electro Magnetic Telegraph With the Reports of Congress, and a Description of All Telegraphs Known, Employing Electricity or Galvanism Produced by Sharon Joiner, Paul Marshall, Robert Shimmin and the Online Distributed Proofreading Team at http://www.pgdp.net "The American Electro Magnetic Telegraph" by Alfred Vail is a scientific publication written in the mid-19th century. The work delves into the principles and workings of the electro magnetic telegraph, illustrating its significance in communication, especially in conjunction with the postal service. Vail aims to provide a thorough understanding of the telegraph's operation, highlighting American innovations and inventions in this field. The opening of the text outlines the intentions behind the work, detailing Vail’s commitment to present a comprehensive description of the American Electro Magnetic Telegraph. He notes the frequent inquiries he has received regarding its principles and operations and emphasizes the inclusion of various congressional reports on the subject. The introduction sets the stage for an exploration of the components such as the galvanic battery, the electro magnet, and the mechanisms involved in transmitting messages, with the goal of demonstrating the effectiveness of the American telegraph system compared to its European counterparts. (This is an automatically generated summary.) Reading ease score: 60.7 (8th & 9th grade). Neither easy nor difficult to read. en Telegraph -- History TK Text Category: American Literature Category: Engineering & Technology 742473 2025-06-24T11:10:43.207028 text/html 737755 2024-10-17T16:48:00 text/html 6467448 2025-06-24T11:10:56.131959 application/epub+zip 6476709 2025-06-24T11:10:45.576993 application/epub+zip 284870 2025-06-24T11:10:44.367027 application/epub+zip 6660651 2025-06-24T11:11:01.926925 application/x-mobipocket-ebook 6644650 2025-06-24T11:10:54.849948 application/x-mobipocket-ebook 462863 2022-09-27T19:31:14.211615 application/x-mobipocket-ebook 527838 2025-06-24T11:10:40.742027 text/plain; charset=us-ascii 508017 2024-10-17T16:48:00 text/plain; charset=us-ascii 16211 2025-06-24T11:11:02.088910 application/rdf+xml 15344 2025-06-24T11:10:44.552976 image/jpeg 2511 2025-06-24T11:10:44.454986 image/jpeg 6453703 2025-06-24T11:10:43.455008 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia