Chronology of Temperature and Pressure Measurement Technology
| 1592 | Galileo Galilei builds a crude thermometer using the contraction of air to draw water up a tube. |
| 1643 | Evangelista Torricelli invents the mercury barometer. |
| 1714 | Gabriel Fahrenheit invents the mercury in glass thermometer. |
| 1864 | Antoine Becquerel suggests an optical pyrometer. |
| 1892 | Henri-Louis Le Ch\^atelier builds the first optical pyrometer. |