Index Catalog // NNP

U.S. National Archives, Record Group 104, Entry NRF-13

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Outerbridge volitization experiments

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Crucible experiments

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New York Assay Office Melter-Refiner Silver containing selenium

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Harper's Weekly

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Official Register of the United States ...

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Report of the Secretary of the Treasury on the State of the Finances (1879)

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Letters Sent from Mint Headquarters

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Letters Sent by Mint Headquarters

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Letters Sent from Mint Headquarters

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