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KEYWORDS: SCIENCE, HEALTH & TECHNOLOGY

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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
1933 Poster  Drawing showing declining numbers of admissions to blind schools due to ophthalmia neonatorum. Visual Still
January 1933 Article    Document
January 1933 Illustration  A design drawing of a steering wheel and clutch. Visual Still
February 1933     Document
February 1933 Illustration  A design drawing of a ramp. Visual Still
289.
Steps
February 1933 Illustration  A design drawing of stairs with railings. Visual Still
April 1933 Article    Document
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