Leonardo da Vinci, Pathfinder of Science
Maximilian I, 64   Medici, Giovanni de', 130   Medici, Giuliano de', 21, 130, 132, 138-146   Medici, Lorenzo de', 16, 21, 26, 27, 29, 35, 39, 127, 130, 132,           146, 153   Medici, Piero de', 10, 16   Medicis, the, 10, 21, 23, 26, 27, 33, 34, 68, 130, 131, 140, 142,           146   Melzi, Francesco de', 117, 128, 130, 140, 142, 145, 150, 155, 157,           158   Michelangelo, 106, 107, 113, 131, 137, 144, 145   Middle Ages, 81, 104   Migliorotti, Atalante, 35-38, 87   Milan, 9, 33-48, 60, 64, 68, 78, 82, 83, 85, 95, 114-128, 143, 144   Milan cathedral, 50   Military,       defenses, 88, 89       machines, 25-27, 33, 38-40   Millstones, 75   Mitre valve, 123   Mirrors, 133   "Mona Lisa," 99, 103   Monferrato, 62   Monte Albano, 1, 2, 5   Monte Cecero, 113   Montorfano, 72   Muscles, 109, 119   Music, 34, 35                                       N   Naples, 9, 27, 68, 69   Needle sharpener, 75   Netherlands, the, 95   Newton, Isaac, 24, 56, 123, 141, 160   Newton's First Law of Motion, 123   Newton's law of gravitation, 83   _Notes_, 14   Novara, battle of, 92                                       O   Odometer, 69   Oggionno, Marco d', 58   Orient, the, 89   Ornithopter, 111, 112                                       P   Pacioli, Fra Luca, 76, 77, 80, 84, 86-91, 133   Padua, 125   Painting, 4-7, 29-32, 43, 44, 71, 72, 91, 99, 105, 110, 112   Palatine hill, 135   Palazzo della Signoria, 12, 21-25, 103   Palazzo Vecchio, 12   Parachute, 71   Paris, 44   Parma, 138   Pater, Walter, 161   Pavia, 51, 58, 125   Pazzi conspiracy, 21, 23, 25   Pazzi, Francesco de', 23   Pera, 95   "Periscope," the, 89   Perugia, 96   Perugino, Pietro, 13, 33, 107   Pesaro, 93   Peschiera, 124   Pharisee, 118   Philiberta, 142   Phyllotaxis, 79   Physics, 17   Piazzetta, the, 87   Pincio hill, 130   Piombino, 93, 139, 154   Pisa, 25, 100-102, 110   Pitti Palace, 31   Plague, _see_