n In
n In the 18th and
19th centuries
n How did it happen and why
was it a revolution
n Hero of
Alexandria: Gadgets
Atmospheric
Pressure
n Limit of a suction pump
about 10 metres
n Galileo thought due to
tension
n Torricelli reasoned that we
live at bottom of ocean of air
n The mercury barometer
n Mercury 13 times heavier
than water
n Pascal’s experiment on Puy de Dôme mountain near
The Newcomen
Atmospheric Engine Animated demonstration of a Newcomen
engine.
n Patented 1769 – the watershed year for the Industrial
Revolution
n