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

@article{LeggettWirelessTW,
  title={Wireless Telegraphy: With Special Reference to the Quenched-Spark System},
  author={Bernard John Leggett},
  journal={Nature},
  volume={107},
  pages={390-391}
}
WE welcome this volume, which gives full practical details of the “Telef unken” or quenched-spark system of radiotelegraphy. (We use this word, fpr we think it will shortly receive international sanction.) Practically all the treatises, on this subject published in English concern themselves mainly with the Marconi system, and discuss very briefly, if at all, the quenched-spark system. In 1906 Max Wien showed that it was possible to quench the oscillations in the primary circuit of the sending… Expand