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50 and 100 Years Ago: Better Bread-Baking Machines and Discovery of Argon

Articles from the Scientific American archive

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Scientific American Magazine Vol 272 Issue 3This article was originally published with the title “50 and 100 Years Ago” in Scientific American Magazine Vol. 272 No. 3 (), p. 12
doi:10.1038/scientificamerican0395-12