Adoration of the Magi:text 1:picture 1
Alarm Clock:text 1:picture 1
Alberti, Leon Battista:text 1:picture 1
Anatomy:text 1:picture 1
Annunciation, The - 1473:text 1:picture 1
Architects:text 1:picture 1
Arno River:text 1:picture 1
Arno Valley:text 1:picture 1
Artists:text 1:picture 1
Backwards "secret" writing:text 1:picture 1
Ball Bearings:text 1:picture 1
Baptism of Christ:text 1:picture 1
Baroncelli, Bernardo:text 1:picture 1
Battle of Anghiari:text 1:picture 1
Bell:text 1:picture 1
Bell-Tower Mechanism:text 1:picture 1
Bicycle:text 1:picture 1
Black Plague:text 1:picture 1
Bobbin Threader:text 1:picture 1
Bomb:text 1:picture 1
Bosch, Hieronymus:text 1:picture 1
Botticelli, Sandro:text 1:picture 1
Bramante, Donato:text 1:picture 1
Bridge Canal:text 1:picture 1
Cabot, John:text 1:picture 1
Calvin, John:text 1:picture 1
Cannon:text 1:picture 1
City-state:text 1:picture 1
Codex Atlanticus:text 1:picture 1
Columbus, Christopher:text 1:picture 1
Constantinople:text 1:picture 1
Copernicus, Nicolaus:text 1:picture 1
Cortés, Hernán:text 1:picture 1
Crossbow:text 1:picture 1
Dante:text 1:picture 1
Digging:text 1:picture 1
Diving Suit:text 1:picture 1
Drawbridge:text 1:picture 1
Drawing Compasses:text 1:picture 1
Dredger:text 1:picture 1
Drill:text 1:picture 1
Drums I:text 1:picture 1
Drums II:text 1:picture 1
Drums III:text 1:picture 1
Elizabeth I:text 1:picture 1
File Maker:text 1:picture 1
Florence:text 1:picture 1
Fortress:text 1:picture 1
Francis I:text 1:picture 1
Galileo Galilei:text 1:picture 1
Gama, Vasco da:text 1:picture 1
Grotesque Heads:text 1:picture 1
Gun:text 1:picture 1
Gutenberg, Johannes:text 1:picture 1
Helicopter:text 1:picture 1
Henry VIII:text 1:picture 1
Horse, The:text 1:picture 1
Hundred Years' War:text 1:picture 1
Isabella d'Este:text 1:picture 1
Italy:text 1:picture 1
Ivan III:text 1:picture 1
Joan of Arc:text 1:picture 1
Joint:text 1:picture 1
La Belle Ferroniere:text 1:picture 1
Lady with an Ermine:text 1:picture 1
Landing Gear:text 1:picture 1
Last Supper, The:text 1:picture 1
Leda and the Swan:text 1:picture 1
Life Preserver:text 1:picture 1
Lifting:text 1:picture 1
Lorenzo the Magnificent:text 1:picture 1
Luther, Martin:text 1:picture 1
Machiavelli, Niccolò:text 1:picture 1
Madonna Benois:text 1:picture 1
Madonna with the Flower:text 1:picture 1
Magellan, Ferdinand:text 1:picture 1
Medici, Giuliano de:text 1:picture 1
Metal Roller:text 1:picture 1
Michelangelo:text 1:picture 1
Middle Ages:text 1:picture 1
Milan:text 1:picture 1
Missile:text 1:picture 1
Mona Lisa:text 1:picture 1
Nostradamus:text 1:picture 1
Oil paints:text 1:picture 1
Paddle Boat:text 1:picture 1
Parachute:text 1:picture 1
Pedal-Powered Wing:text 1:picture 1
Pedometer:text 1:picture 1
Portrait of a Musician:text 1:picture 1
Portrait of Ginevra Benci:text 1:picture 1
Raphael:text 1:picture 1
Reciprocating-to-Rotary:text 1:picture 1
Recorder:text 1:picture 1
Release Mechanism:text 1:picture 1
Renaissance:text 1:picture 1
Rocket:text 1:picture 1
Rotisserie:text 1:picture 1
Screw-Making Machine:text 1:picture 1
Self-Portrait:text 1:picture 1
Shakespeare, William:text 1:picture 1
Shearing Machine:text 1:picture 1
Snorkel:text 1:picture 1
Spanish Inquisition:text 1:picture 1
Spotlight:text 1:picture 1
St. Jerome:text 1:picture 1
St. John the Baptist:text 1:picture 1
Steam Cannon:text 1:picture 1
Suleiman the Magnificent:text 1:picture 1
Tank:text 1:picture 1
Verrocchio, Andrea:text 1:picture 1
Viola-Organista:text 1:picture 1
Virgin & Child with St. Anne     - cartoon:text 1:picture 1
Virgin & Child with St. Anne     - painting:text 1:picture 1
Virgin of the Rocks - 1483:text 1:picture 1
Virgin of the Rocks - 1494:text 1:picture 1
Walking Buoys:text 1:picture 1
Walls and Ladders:text 1:picture 1
War of the Roses:text 1:picture 1
Wheel Lock:text 1:picture 1
Windlass:text 1:picture 1
Wood Planer:text 1:picture 1
Woodwind Keys:text 1:picture 1
Workshop:text 1:picture 1
Worm Gear:text 1:picture 1