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Future Prices of Commodities and Materials, A Dished Disk Stabilizer and more

Formerly Chief of Bureau of Commerce and Navigation, United States Treasury

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Scientific American Magazine Vol 109 Issue 23This article was originally published with the title “Future Prices of Commodities and Materials, A Dished Disk Stabilizer, and more” in Scientific American Magazine Vol. 109 No. 23 (), p. 437
doi:10.1038/scientificamerican12061913-437