Library: Search Results
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KEYWORDS: SCIENCE, HEALTH & TECHNOLOGYResults: 31 - 60 of 407 total Next
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Date | Format | Image | Collection | |
1849 | Article | Document | ||
1850 | Article | Document | ||
June 1852 | Article | Document | ||
May 10, 1853 | Patent | Document | ||
May 10, 1853 | Patent | Visual Still | ||
1855 | Illustration | Visual Still | ||
1855 | Engraving | Visual Still | ||
1856 | Article | Document | ||
May 13, 1856 | Patent | Document | ||
May 13, 1856 | Patent | Visual Still | ||
February 1858 | Article | Document | ||
July 3, 1858 | Engraving | Visual Still | ||
October 22, 1861 | Government Document | Document | ||
October 22, 1861 | Government Document | Visual Still | ||
August 25, 1863 | Patent | Document | ||
August 25, 1863 | Patent | Visual Still | ||
November 10, 1863 | Patent | Document | ||
November 10, 1863 | Patent | Visual Still | ||
November 10, 1863 | Patent | Visual Still | ||
September 2, 1865 | Article | Document | ||
December 18, 1866 | Patent | Document | ||
December 18, 1866 | Patent | Visual Still | ||
February 16, 1869 | Patent | Document | ||
February 16, 1869 | Patent | Visual Still | ||
circa 1870 | Photograph | Visual Still | ||
1870 | Document | |||
1870 | Illustration | Visual Still | ||
1870 | Illustration | Visual Still | ||
January 1870 | Article | Document | ||
October 12, 1870 | Document |