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KEYWORDS: SCIENCE, HEALTH & TECHNOLOGY

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Date Format Image Collection
April 1909 Article    Document
1909 Article    Document
March 28, 1908 Article    Document
March 19, 1908 Article    Document
1907 Book    Document
1906 Postcard  A man, woman and child pose for a family portrait; man is wearing neck/head brace. Visual Still
June 1905 Article    Document
circa 1905 Photograph  Visual Still
1904 Photograph  Exhibit at the St. Louis 1904 World's Fair. Visual Still
December 1903 Article    Document
February 11, 1901 Letter    Document
January 30, 1901 Letter    Document
January 29, 1901 Letter    Document
circa 1900 Chart  Alexander Melville Bell Visible Speech as depicted by pictorial drawings representing different vocalizations. Visual Still
circa 1900 Chart  A pictorial description of Alexander Melville Bell Visible Speech which include a diagram with sounds related to the physiological parts used to make them. Visual Still
circa 1900 Chart  A pictorial description of Alexander Melville Bell Visible Speech through sketches of related physiological parts. Visual Still
circa 1900 Chart  Terms used for deaf education which read- Akouphone: to enable the deaf to hear, Akou-Massage: for the treatment of catarrhal deafness, and the Akoulalion: for the instruction of deaf mutes. Visual Still
circa 1900 Photograph  A young man, with hat on his knee, sits in a wheelchair with metal wheels. Visual Still
October 12, 1899 Article    Document
October 12, 1899 Engraving  Desk for working on punch cards. Visual Still
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
September 1899 Article    Document
April 1897 Article    Document
1897 Pamphlet    Document
December 25, 1894 Patent    Document
December 25, 1894 Patent  Design drawing for S.A. Potter Invalid Chair, sheet 1. Visual Still
December 25, 1894 Patent  Design drawing for S.A. Potter Invalid Chair, sheet 2. Visual Still
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