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KEYWORDS: SCIENCE, HEALTH & TECHNOLOGYResults: 11 - 20 of 407 total Next
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Date | Format | Image | Collection | |
July 22, 1842 | Letter | Document | ||
November 10, 1842 | Letter | Document | ||
November 11, 1842 | Letter | Document | ||
November 16, 1842 | Letter | Document | ||
December 31, 1842 | Letter | Document | ||
1843 | Annual Report | Document | ||
February 3, 1843 | Letter | Document | ||
September 24, 1844 | Patent | Document | ||
September 24, 1844 | Patent | Visual Still | ||
September 24, 1844 | Patent | Visual Still |