The first known model that could have represented a flying machine was a carved wooden bird, thought to be some 2300 years old. Originally discovered at Saqqara, Egypt, in 1898, and rediscovered in a storage box at the Cairo museum by Dr Khalil Messiha in 1972, it has a high-mounted wing with a finely carved airfoil section, a body with the rear portion of narrow elliptical shape, and a deep vertical tail-fin with a groove for a horizontal surface.

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