LIBROS DEL AUTOR: charles henry sewall

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  • Lessons In Telegraphy (1909)
    Charles Henry Sewall
    Lessons in Telegraphy is a book written by Charles Henry Sewall and published in 1909. The book is a comprehensive guide to the art of telegraphy, covering the history of the telegraph, the principles of electricity, and the various methods and codes used in telegraphy. The author provides detailed explanations of the Morse code, the Continental code, and other important codes ...
    Disponible

    25,92 €

  • Wireless Telegraphy
    Charles Henry Sewall
    This scarce antiquarian book is a facsimile reprint of the original. Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world’s literature in affordable, high quality, modern edit...
    Disponible

    30,11 €