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| 1564 | Galileo, Galilei Birth |  |
| Birth of Galilei Galileo |
| 1609 | Galileo, Galilei Discovery of Telescope | |
| Builds his own telescope, has 20x mgnification |
| 8th Aug The Venetian senate examines Galileo's telescope |
| 1586 | Galileo, Galilei Invention Hydrostat Balance | |
| Invents the Hydrostatic Balance |
| 1607 | Galileo, Galilei Invention Open Thermometer | |
| Invents the Open Thermometer |
| 1610 | Galileo, Galilei Publication | |
| Publication of, "The Starry Messenger", claims the Earth revolves around the Sun |
| Publication of, "Two Chief World Systems", claims the Earth revolves around the Sun |
| 1300 | Polo, Marco Invention Kite | |
| Reports on kites in China |
| 1560 | Porta, Battista Invention Camera Obscura | |
| Invents the Camera oobscura |
| 1643 | Torricelli, Evangelista Invention Barometer | |
| Invents the barometer |
| 1500 | Vinci, Leonardo da Invention Helicopter | |
| Designs helicopters |
