- A store of crossbow bolts, shafts and heads
The crossbowman is aiming at a target to the left of the picture. From a catalogue of the Arsenal of the Emperor Maximilian I. (6. 1459, d. 1519). - Principle of the parachute, drawing by Leonardo da Vinci
If Leonardo da Vinci's aerial flight experiments do not seem to have been carried out on a large scale, it is perhaps not the same with the parachute, the use of which is much safer. The description of Leonardo da Vinci was reproduced later, not without a notable improvement in the mode of representation of the apparatus, in a collection of machines, due to Fauste Veranzio and published in Venice in 1617. - Principle of the helicopter, drawing by Leonardo da Vinci
Principle of the helicopter, drawing by Leonardo da Vinci