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    How to become a wireless operator a practical presentation of the theory of electrical waves, their propagation, and their adaptation to wireless communication, including simple an... द्वारा Hayward, Charles Brian 1876-

    प्रकाशित 1918
    पुस्तक

    How to become a wireless operator a practical presentation of the theory of electrical waves, their propagation, and their adaptation to wireless communication, including simple and clear instructions how to operate wireless devices and how to comply with government requirements for operators

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