Subject
3 free books about electric waves, free to read online. Chapter 1 of any book is free, no account needed.
Waves and ripples in water, air, and æther: Being a course of Christmas lectures delivered at the Royal Institution of Great Britain
Sir J. A. (John Ambrose) Fleming
Signalling across space without wires being a description of the work of Hertz & his successors
Sir Oliver Lodge
Hertzian Wave Wireless Telegraphy
