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The first barometer was devised in 1643 by Evangelista Torricelli. Torricelli had set out to create an instrument to measure the weight of air, or air pressure, and to study the nature of vacuums. He used Mercury, perhaps on a suggestion from Galileo Galilei, because it is significantly denser than water. To create a vacuum with water takes a column over 30 feet long, while with mercury it takes less than four feet.
What else can I help you with?
Which measuring device used in cooking or candle making options are barrometer wind vane thermometer or rain gage?
glass tube
Who invented the abacus when it was invented why it was invented and who invented it?
jv
When was the phone chargers invented?
Gloria Mejia invented it and she invented it in 1998
When invented resistor?
invented in 500BC before electricity was invented
When was the CD player invented and who invented it?
The CD was invented in 2001 Thomas clamps invented it.
When was snickerdoodles invented and where?
When and where were snickerdoodles invented Why were snickerdoodles invented
When was the washboard invented?
who invented the washboard?
Is the computer invented or not?
Yes, the computer is invented.
What is the past participle of invented?
Invented is the past participle of the verb invent. verb /past /past participle = invent /invented /invented
What year was sprite invented?
when was sprite invented ! == == when was sprite invented ! == ==
Who invented the rudder?
The Chinese invented the Rudder.it was invented by the Chinese
Who invented the first quadbike?
how invented the quad bike how invented the quad bike how invented the quad bike
