Borelli's Bird with Artificial Wings
An illustration of Borelli’s bird with artificial wings. “r e, Anterior margin of the right wing, consisting of a rigid rod; o a, Posterior margin of the left wing same as the right; b c, Anterior; and f, Posterior margins of the left wing same as the right; d, Tial of the bird; r g, d h, Vertical direction of the down stroke of the wing.” -Britannica, 1910.
GalleriesMiscellaneous Bird Illustrations
Encyclopaedia Britannica (11th ed., vol. 10) (New York, NY: The Encyclopaedia Britannica Company, 1910)