A flying machine invented by George Cayley. It is an early model of the helicopter.
Pettigrew, J. Bell Animal Locomotion (New York, NY: D. Appleton & Company, 1874)
TIFF (full resolution)
1783×2400, 519.6 KiB
Large GIF
760×1024, 84.5 KiB
Medium GIF
475×640, 41.6 KiB
Small GIF
237×320, 13.5 KiB