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The World's Fair of the Future, Gyroscopic Effect of Revolving Aeroplane Motors and more

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Scientific American Magazine Vol 102 Issue 16This article was originally published with the title “The World's Fair of the Future, Gyroscopic Effect of Revolving Aeroplane Motors, and more” in Scientific American Magazine Vol. 102 No. 16 (), p. 314
doi:10.1038/scientificamerican04161910-314