On March 7, 1876, the U.S. Patent Office issued to a young inventor named Alexander Graham Bell what is arguably the most valuable patent ever: entitled improvements in telegraphy, in truth it secured for Bell the basic principles involved in a telephone. On the same day that Bell filed his patent application, a caveat (a preliminary patent document) was filed by Elisha Gray. This coincidence sparked the first of many debates over whether Bell was the true inventor of the telephone. In the early 1860s Johann Phillipp Reis developed a version of the instrument, but his claims against Bell were hampered by the bungling of his lawyers in demonstrating his instrument in court. This work is a first look at the many men who developed the telephone and an examination of their claims against Bells patent. A lay description of the phone is also provided, as well as a history of the development of the telephone system.
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Book by Coe Lewis
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In U.S.A.
Spese di spedizione:
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In U.S.A.
Da: T. Brennan, Bookseller since 1998 (ABAA / ILAB), Ellsworth, ME, U.S.A.
Hardcover. Condizione: Very Good. Octavo, pp. ix, 226 + index. Black and white illustrations. Telephone Chronology. 11 Appendices; Glossary. Very Good in the publisher's turquoise cloth with white spine and upper board lettering. Dust jacket was not issued with this title. Codice articolo 20050
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Hardcover, photos. Condizione: Fine+. First Edition; First Printing. Book As New. No defects. NO notes or ANY markings. ; 230 pages; An acetate DJ, as issued by McFarland (? ) Don't know. Codice articolo 41440
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Condizione: Fair. This is an ex-library book and may have the usual library/used-book markings inside.This book has hardback covers. In fair condition, suitable as a study copy. No dust jacket. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,550grams, ISBN:0786401389. Codice articolo 9376652
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Hardcover. Condizione: Very Good. Condizione sovraccoperta: No Dustjacket. Later Edition. ISBN 0786401389. Hardback. No dustjacket, bound in blue cloth with white lettering on front cover and spine (a couple letters on right edge of front cover are left of due to printer's error.) Very Good Condition. Tight sound unmarked copy with minor rubs to edges and corners of covers. No statement of later printing on copyright page. No Signature. Codice articolo 97143049
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