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Parachute Clothes for Aviators, New Processes in the Manufacture of Superphosphates, and more

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Scientific American Magazine Vol 103 Issue 21This article was originally published with the title “Parachute Clothes for Aviators, New Processes in the Manufacture of Superphosphates, and more” in Scientific American Magazine Vol. 103 No. 21 (), p. 396
doi:10.1038/scientificamerican11191910-396