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William G. LeDuc, US Commissioner of Agriculture under President Hayes, writes Carnegie to inform him of experiments to obtain aluminum at low cost and asks if he would like to be involved in the experimentation, citing about fifty successful and efficien

January 21, 1890

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William G. LeDuc, US Commissioner of Agriculture under President Hayes, writes Carnegie to inform him of experiments to obtain aluminum at low cost and asks if he would like to be involved in the experimentation, citing about fifty successful and efficien