weather tools

The Barometer

1600- 2013

1600 - 2013

not important time

1600 - 1643

In1644 Evangelista Torricelli invented the first mercury barometer.

1644

Evangelista Torricelli was trying to make a vacuum, not a device for measuring air presure

Records say there were over 3,500 registered barometer makers during this time

1670 - 1900

they were mercury barometer makers

One record of interest in the barometer America was on July 5, 1776,

07/05/1776

Doppler radar

1840-2013 the doppler radar is used in this period

1840 - 2013

Christina Andreas Doppler invented the doppler radar in 1842.

1842