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U. S. Patent office. November 8, 1849. Sir: Endeavoring to trace up the history of American inventions as a duty appertaining to his Bureau and supposing that interesting facts may lie hidden in the archives of the various states ... I respectfu

U. S. Patent office. November 8, 1849. Sir: Endeavoring to trace up the history of American inventions as a duty appertaining to his Bureau and supposing that interesting facts may lie hidden in the archives of the various states ... I respectfu

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Date

01/01/1849
person

Contributors

U. S. Patent office.
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Location

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Source

Library of Congress
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