LIBROS DEL AUTOR: morris gray

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  • A Treatise On Communication By Telegraph (1885)
    Morris Gray
    ''A Treatise on Communication by Telegraph'' is a book written by Gray and Morris in 1885. The book provides a comprehensive guide to the telegraph system and its various components. It covers topics such as the history of telegraphy, the construction of telegraph lines, the workings of telegraph instruments, and the principles of telegraphy. The authors also discuss the differ...
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    34,31 €