Description: [caption id="" align="aligncenter" width="454" caption="At the Louisiana Purchase Exposition, Saint Louis, Missouri, 1904, Smithsonian Institution's United States National Museum exhibit includes the Langley Aerodrome, a model of a whale suspended from the ceiling, natural history exhibits, archaeological objects, and industrial machines, The Smithsonian coordinated all of the
Description: [caption id="" align="aligncenter" width="409" caption="At the Louisiana Purchase Exposition in Saint Louis, Missouri, a view of the Natural History Fossil Exhibit with the model of a whale and skeletons of several dinosaurs, The Smithsonian coordinated all of the United States Government exhibits and prepared a display on its activities and collections for the exposition,
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