Atmospheric pressure, sometimes also called barometric pressure, is the
pressure exerted by the weight of air in the ...
Jun 11, 2010 ... This image shows three common ways that atmospheric pressure is measured -
using a mercurial barometer, an aneroid barometer or a ...
An instrument that measures air pressure is called a barometer. One of the first
barometers was developed in the 1600s. The original instrument had mercury in
www.ask.com/youtube?q=How Is Atmospheric Pressure Measured&v=4K_XJGuRy88
May 3, 2013 ... How an old fashioned mercury barometer measures barometric pressure. (a.k.a.
The atmospheric pressure is the weight exerted by the overhead atmosphere on
a unit area of surface. It can be measured with a mercury barometer, consisting ...
Sep 19, 2011 ... A: A barometer is a scientific instrument used in meteorology to measure
atmospheric pressure. A simple barometer consists of a long glass ...
tendency is the character and amount of atmospheric pressure change for a 3 h
... The basic unit for atmospheric pressure measurements is the pascal (Pa) (or ...
Oct 11, 2015 ... This is how Torricelli created the first barometer in 1643. He took a glass tube,
sealed at one end and completely filled it with mercury. He then ...
Aug 7, 2014 ... ... column (that is, the entire body of air above the specified area). Atmospheric
pressure can be measured with a mercury barometer (hence...
5.2 Principle of Atmospheric Pressure Measurement ···················································
··································· 1. 5.2.1. Mercury Barometer ...