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KEYWORDS: SCIENCE, HEALTH & TECHNOLOGY

Results: 131 - 140 of 407 total   Next

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Date Format Image Collection
December 1932 Photograph  An elderly woman using an incline stair elevator. Visual Still
December 1932 Photograph  Stairs with an incline elevator. Visual Still
December 1932 Illustration  A drawing of the workings of a home elevator. Visual Still
November 1932 Article  Drawings of a doorway, a clipboard, and a hand holding a pencil. Visual Still
October 1932 Photograph  Four photographs of a child walking with crutches and braces. Visual Still
October 1932 Article    Document
October 1932 Photograph  A man shows how an electric eye would be used in a traffic intersection. Visual Still
October 1932 Photograph  Photographs of a building and a room with four bed. Visual Still
September 1932 Article    Document
September 1932 Illustration  Drawing of a man typing with the help of a spring suspended from the ceiling. Visual Still
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