Library: Search Results

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KEYWORDS: Technology & Equipment

Results: 61 - 80 of 312 total   Next

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Date Format Image Collection
February 16, 1869 Patent    Document
October 22, 1861 Government Document    Document
August 25, 1863 Patent    Document
December 18, 1866 Patent    Document
November 10, 1863 Patent    Document
May 10, 1853 Patent    Document
June 19, 1894 Patent    Document
December 25, 1894 Patent    Document
May 13, 1856 Patent    Document
April 17, 1927 Correspondence    Document
April 27, 1927 Correspondence    Document
June 1942 Article    Document
1970 Article    Document
April 1933 Article    Document
April 1932 Article    Document
July 1933 Article    Document
May 12, 1918 Article    Document
February 1934 Article    Document
1963 Article    Document
1960 Article    Document
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