**17c**

1600-1800, Western Europe and harpsichords +

1600s, Chen and tai chi +

1605, Carolus and newspaper +

1608, Lippershey and the telescope +

1610, Jews in Poland and bagel +

1614, Napier and logarithms +

1621, Harriot and the greater-than sign +

1621, Harriot and the less-than sign +

1621, Oughtred and the slide rule +

1621, Pilgrims and Thanksgiving Day in the New World, the +

1621-1675, Willis and the circle of Willis +

1625, Van Helmont and carbon dioxide +

c. 1630, Pell and the division sign +

1631, Oughtred and the multiplication sign +

1634-1637, Netherlands and the tulip mania -

1637, Descartes and Cartesian coordinate system +

1637, Descartes and "I think, therefore I am" +

1637, Descartes and mind-body dualism +

1637, Descartes, and the knowns and the unknowns +

1643, Mynors and Christmas Island, Christmas Day +

1644, Torricelli and the barometer +

c. 1646, King Louis XIV and necktie +

1650, Guericke and the air pump +

1652, Bartholin, Rudbeck, and the lymphatic system +

1654, Pascal and Pascal's triangle +

1655, Wallis and the infinity symbol +

1657, Huygens and the pendulum clock +

1658, Scobell and index +

1661, Thevenot and the spirit level +

c. 1665, I. Newton, Leibniz, and calculus +

1668, I. Newton and the reflecting telescope +

1672, I. Newton and the prism +

1679, Papin and the pressure cooker +

c. 1681, Le Gendre and *laissez-faire* +

1682, Germany and Easter Bunnies +

1682, Halley and Halley's comet +

1687, I. Newton and the laws of motion and gravity +

1698, Savery and the steam pump +

1698, Winstanley and the lighthouse +