Baliani
The Pascal Experiment
The Torricelli experiment
The Mercury tube
The barometer explanation (by Torricelli)
Pascal barometer in Paris
Puy de Dome
Puy de Dome experiment
Conclusion of the Torricelli experiment
Equivalent weight of the atmosphere
The "U-Tube" to measure the pressure
Lab mercury pressure gage
The Robert Boyle experiment
Amontons: gas and temperature
The thermometer
Lambert: The lowest temperature
The gas law
The ideal gas constant
The thermodynamic temperature
The temperature scale
Limitation of the ideal gas-LP
Limitation of the ideal gas-HP
Equivalent pressure




























The Baliani experiment (1630)

Menu  |  Pascal experiment



























The Pascal experiment (1640)

Menu  |  Torricelli



























The Torricelli mercury tube (1643)

Menu  |  The mercury tube



























The Mercury tube (1644)

Menu  |  Barometer



























The barometer principle (explained by Torricelli)

Menu  |  Pascal



























Blaise Pascal in Paris (1647)

Menu  |  Puy de Dome































Puy de Dome: the experiment to confirm the hypothesis

Menu  |     measurement



























Puy de Dome: the experiment to confirm the hypothesis

Menu  |  Torricelli conclusion



























Conclusion of the Torricelli experiment

Menu  |  The atmosphere



























Equivalent weight of the atmosphere

Menu  |  U-Tube



























The "U-Tube" to measure the pressure

Menu  |  Dawson U-tube



























Lab mercury pressure gage

Menu  |  R. Boyle



























The Robert Boyle experiment (1660)

Menu  |  Amontons



























Amontons: gas and temperature

Menu  |  Thermometer



























The thermometer

Menu  |  Lambert



























Lambert: The lowest temperature

Menu  |  The Gas Law



























The Gas Law (1834)

Menu  |  The constant R



























The ideal gas constant R

Menu  |  Absolute temperature



























The thermodynamic temperature

Menu  |  T scale



























The temperature scale

Menu  |  PV=nRT LP



























Limitation of the ideal gas-LP

Menu  |  PV=nRT HP



























Limitation of the ideal gas-HP

Menu  |  Pressure



























Equivalent pressure

Menu