Leonardo da Vinci, Pathfinder of Science
Painting   Drum, mechanical, 61   Dynamics, 140                                       E   Earth, the, 104, 105   Eclipse of the sun, 48   Einstein, 153   Equilibrium, 141   Euclid, 54, 91   Eye, the, 54, 55                                       F   Ferdinand, King of Naples, 25, 27   Ferrara, 70   Ferrari, Ambrogio, 42   Fiesole, 111, 113, 156   Flemish painters, 15   Flight,       of arrow, 82, 83       of birds, 24, 65, 66, 76, 99, 119       problems of, 70, 71, 75, 76, 96-100, 111-113   Florence, 7-19, 25-27, 32, 38, 53, 68, 93-96, 100-103   Flying machine, 70, 71, 75, 76, 112   Foix, Gaston de, 127   Forts, 88   Forum of the Caesars, 134   Four elements, 48   France, 67-69, 78, 82-84, 94, 114-120, 125, 127, 128, 139,           142-145, 152