Written as public excitement over Marconi’s long-distance signals was at its height, this account by a professor of electrical engineering at University College London explains how wireless works. Fleming covers electric oscillations and Hertzian waves, spark transmitters, aerials, receivers and detectors, and the problems of tuning, with the numbers worked through.
A first-hand record of radio’s infancy by the engineer who would soon invent the thermionic valve. Download the free EPUB.