Sep 10 1930
From The Space Library
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(New page: Marchese Guglielmo Marconi makes speech to the Italian Society for the Advancement of Science suggesting that radio waves could penetrate the Kennelly-Heaviside Layer and reach the...)
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Marchese Guglielmo Marconi makes speech to the Italian Society for the Advancement of Science suggesting that radio waves could penetrate the Kennelly-Heaviside Layer and reach the planet Mars.