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KEYWORDS: Statistics

Results: 61 - 90 of 145 total   Next

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Date Format Image Collection
October 12, 1899 Engraving  Man sitting at desk receiving sorted punch cards, Visual Still
October 12, 1899 Engraving  A mechanism for counting, a numbered dial on front. Visual Still
October 12, 1899 Engraving  Mechanism with punch on a lever. Visual Still
October 12, 1899 Engraving  Mechanism for punching cards on table. Visual Still
January 29, 1901 Letter    Document
January 30, 1901 Letter    Document
February 11, 1901 Letter    Document
February 24, 1903 Article    Document
February 26, 1903 Article    Document
February 5, 1904 Article    Document
1906 Government Document    Document
1907 Article    Document
1908 Book    Document
1908 Government Document    Document
1908 Government Document    Document
1908 Government Document    Document
1908 Map  Map showing distribution of blind people Visual Still
1908 Article    Document
April 1908 Article    Document
October 1908 Article    Document
1910 Book    Document
February 18, 1912 Article    Document
March 1913 Article    Document
December 1915 Map  Map showing prevalence of blindness by state. Visual Still
1916 Annual Report    Document
1916 Article    Document
1916 Annual Report    Document
March 16, 1918 Article    Document
1920 Article    Document
February 1920 Article    Document
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