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The 220 models in Cornell University's Reuleaux Collection were built in the late 19th century to demonstrate the elements of machine motion, as theorized by the German engineer Franz Reuleaux. The University acquired the models in 1882 for use in teaching and research. This is KMODDL's core collection and at present is the most extensively documented and enhanced with multimedia resources.

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About the Collection Content and Scope Whether it's by bullet train in Tokyo or dogsled in arctic Canada, people of the world have always had a need to get from "point A" to "point B". The photographs in Transportation Around the World : 1911-1993 present a wide variety of transportation methods used in 79 countries across the globe. The 650 images contained in this digital collection were selected from three separate photographic collections: the Harrison Forman Collection , Harold Mayer Collection , and American Geographical Society Library Print Collection .

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