Chapter D

Dams, 101
Danti, Giovanni Battista, 96, 97
d’Aragona, Cardinal Luigi, 151
Darwin, 105
d’Auvergne, Madelaine, 153
David, statue of, 106
_De Ludo Geometrico_, 134
d’Este, Beatrice, 60, 61, 69, 86
d’Este, Isabella, 86, 87, 91
Diocletian, Emperor, 135
Diseases, 109
Dissection, 53, 126, 145
Diver’s suit, 89
Drawing, _see_ 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
Francis I, 143-145, 148-157
Fraternity of the Immaculate Conception, 43, 44, 47
Friction, 140, 141

G
Galen, 52, 53
Galileo, Galilei, 134, 141, 160
Genoa, 143
Geocentric theory, _see_ Ptolemaic theory
Geography, 18, 19
Geology, 103, 104
Geometry, 91, 134
Georg, 131, 133, 140, 143, 145
Geotropism, 79
Germany, 47, 69
Ghirlandaio, Domenico di Tommaso del, 33
Giocondo, Francesco del, 98
Giovanni “the Piper,” 100
Gonzaga, Francesco, 86
Gothic tradition, 50
Gravity, 140, 141
Greeks, the, 69
Guido, 23
Guild, 19

H
Hadrian, Emperor, 130
Harvey, William, 126, 160
Heavens, observation of, 80
Heliocentric theory, 48, 81
Heliotropism, 79
Highmore, 53
Hippocrates, 52
Holy Roman Empire, 9
Hooke, Robert, 141
Horse, anatomy of the, 41
Hydraulic pump, 74, 122, 123
Hydraulics, 14
Hydrodynamics, 141
Hygrometer, 30, 31