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Patent drawings with expanded view of steering rod mechanism.
Thomas Minniss, May 10, 1853
Patent drawings showing mechanisms for converting from rocker to rolling invalid chair.
Antonete Marie Sophie Goldschmidt, September 3, 1877
Patent drawings showing mechanism for independently reclining the chair.
Joseph Roy, August 26, 1875
Patent drawings for a wheel showing close-up of the spoke hooks on the rim.
Peter Gendron, April 21, 1874
Patent Drawings by Everest and Jennings for a "Folding Wheelchair."
Herbert A. Everest and Henry C. Jennings, October 12, 1937
Patent Drawings by Everest and Jennings for a "Folding Wheelchair."
Herbert A. Everest and Henry C. Jennings, October 12, 1937
George Klein and a colleague working on the prototype Kline chair
National Research Council, 1950
Front, side and back of wood and rattan wheelchair with wooden front drive wheels
Unknown manufacturer, circa 1880 - 1890
Front, side and back of wood and rattan wheelchair with four metal wheels, drive wheels in front.
Gendron Wheel Company, Toronto, Ontario, Canada, pre-1950
Front, side and back of modern metal frame wheelchair.
EDCO, Passaic, New Jersey, United States of America, circa 1950
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