News Published: 26 October 1911 The Sharman System of Wireless Telephony and Telegraphy T. THORNE BAKER Nature 87, 553–554 (1911) Cite this article ...

This method has often been used since by these authors and others, most frequently, it is true, with damped oscillations, but M. Balasse recently employed undamped waves of about 155-880 metres ...