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Bernard John Leggett

    Wireless Telegraphy: With Special Reference to the Quenched-Spark System
    • Originally published in 1907, this technical treatise provides a detailed examination of early wireless telegraphy systems, with a focus on the quenched-spark method. Written by a noted expert in the field, this book is an important resource for historians of science and technology.

      Wireless Telegraphy: With Special Reference to the Quenched-Spark System