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Appendices (p. [655]-685): I. Wireless telegraphy act of 1904. II. Bibliography of electric wave telegraphy. III. British patent specifications for improvements in electric wave telegraphy between ...

An Interesting Discourse by Prof. Fleming on the Rapid Advance in the Commercial Application of Wireless Telegraphy.-Further Progress Dependent On Exact Measurement Of Electric Waves ...

A VERY large number of books on radio telegraphy and radio telephony have recently been published. Many are of little use to the general scientific reader because they are too elementary; others fail ...