BoundaryStones: Smithsonian Secretary Samuel Langley built a machine called the Aerodome that almost became the "First in Flight", not once but twice. https://t.co/fBQPK1sbIV #DCHistory #VAHistory Smithsonian Secretary Samuel Langley built a machine called the Aerodome that …
— Kenneth Samson (@PangurBanC) Oct 8, 2021
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October 07, 2021 at 08:33PM
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