Untitled timeline

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Microscope Invented

1590 - 1599

First Microscope Created in the Netherlands.

Barometer Invented

1600 - 1604

Barometer (early 1600s, Italian) - measure air pressure

Common Arithmetic Signs Created

1603

Francois Vieta introduces signs for addition, subtraction, multiplication, and division.

First Law of Planetary Motion

1605

Kepler discovers first law of planetary motion.

Galileo plots rolling ball speed using time axis.

1608

Galileo plots the speed of a rolling ball on a time axis.

First Primitive Telescope

1608

Telescope (1608, Dutch) A Dutch glass maker construced a primitive telescope. Galileo heard about it and improved on the design.

Galileo's First Telescope

1609

Galileo develops his first telescope

The Starry Messenger Published

1610

Galileo Galilei publishes his The Starry Messenger, (Siderial Messenger, from Siderius Nuncius, 1610). It speaks of Galileo's first observations of the moon, the stars, and jupiter as seen through a telescope. The first publication to utilize telescopic observations.

Thermometer Invented

1611

Thermometer (1611) for chemical and medical studies

The Letters on Sunspots Published

1613

Galileo published his The Letters on Sunspots. Suggests that the sun and heavens alike are corruptible.-Padua, Italy