In the summer of 1499 Leonardo di Vinci is hired by Cesare Borga as a military engineer. Leonardo begins to work on a steam canon that had originally been an idea of Archimedes of Syracuse some 1500 years earlier. Cesare invites Leonardo to his he…
In the summer of 1499 Leonardo di Vinci is hired by Cesare Borga as a military engineer. Leonardo begins to work on a steam canon that had originally been an idea of Archimedes of Syracuse some 1500 years earlier. Cesare invites Leonardo to his he…
