Excerpt from ?theric Wireless or Wireless Telegraphy
Experiments in wireless telegraphy are by no means new, but previous to the discovery of the telephone they consisted entirely of making earth or water, or both combined, part of a telegraphic circuit. Bells discovery led to experiments which proved that the telephone could be acted upon at a distance inductively, but there was no commercial practicability in the various schemes devised. The development of knowledge relating to Hertzian waves really led us to what the moderns term wireless telegraphy. This little book deals, almost exclusively with these later developments.
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