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KEYWORDS: SCIENCE, HEALTH & TECHNOLOGY

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Date Format Image Collection
September 1931 Illustration  Design drawing hand controls for brake and clutch. Visual Still
circa 1920 Postcard  A disabled young man looks up from a mud-covered tricycle. Visual Still
circa 1910 Photograph  A collection of various hearing aids.  Most are ear horns. Visual Still
circa 1915 Photograph  A set of eight ear horns. Visual Still
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
1959 Cartoon  A drawing of a women in a wheelchair with chestpiece as a girls looks on. Visual Still
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