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KEYWORDS: SCIENCE, HEALTH & TECHNOLOGY

Results: 121 - 130 of 407 total   Next

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Date Format Image Collection
1890 Postcard  A man rides in a goat-drawn cart Visual Still
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
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
1959 Article    Document
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
July 22, 1842 Letter    Document
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