This design clearly defined on human flight, replied in Ms.. B (f.74 v) is one of the most famous, as described on the plan design the structure of flying machine, complete with wings and pilot, placed in prone position on the platform and engaged on the dynamic to develop and exploit all parties Body for propulsion. The image is accompanied by notes very important, because explanatory operation of complex mechanisms that guide the composite wing movement, activated by the pilot pushing with their feet on the pedals F and G, for which a lift and the other closes the wing: "At the torches alia, 8 runs the glue lieva, C the set, or the Neva top." There are clear indications of manoeuvre of three pairs of strings that building a system of pulleys, bend the tip making to open and close, fletterla and impress them with a lever rotate.
C. 1485 / 87. Atlantic Code