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KEYWORDS: SCIENCE, HEALTH & TECHNOLOGYResults: 241 - 250 of 407 total Next
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Date | Format | Image | Collection | |
August 25, 1863 | Patent | Document | ||
August 25, 1863 | Patent | ![]() |
Visual Still | |
December 18, 1866 | Patent | Document | ||
December 18, 1866 | Patent | ![]() |
Visual Still | |
November 10, 1863 | Patent | Document | ||
November 10, 1863 | Patent | ![]() |
Visual Still | |
November 10, 1863 | Patent | ![]() |
Visual Still | |
May 10, 1853 | Patent | Document | ||
May 10, 1853 | Patent | ![]() |
Visual Still | |
June 19, 1894 | Patent | Document |