'In 1903 Samuel Langley attempted to fly an engine-powered plane launched from a houseboat on this D.C. river'
the Potomac River
THE HISTORY OF FLIGHT: In 1903 Samuel Langley attempted to fly an engine-powered plane launched from a houseboat on this D.C. river
In 1903 Samuel Langley attempted to fly an engine-powered plane launched from a houseboat on this D.C. river
In 1903 Samuel Langley attempted to fly an engine-powered plane launched from a houseboat on this D.C. river
THE HISTORY OF FLIGHT
the Potomac River
THE HISTORY OF FLIGHT