The mercury-in-glass or mercury thermometer is a thermometer that uses the thermal expansion and contraction of liquid mercury to indicate the temperature. 展开

In order to calibrate the thermometer, the bulb is made to reach thermal equilibrium with a temperature standard such as an ice/water mixture, and then with another standard such as water/vapour, and the tube is divided into regular intervals between the fixed points. … 展开

One special kind of mercury-in-glass thermometer, called a maximum thermometer, works by having a constriction in the neck close to the bulb. As the temperature rises, … 展开

Mercury thermometers cover a wide temperature range from −37 to 356 °C (−35 to 673 °F); the instrument's upper temperature range may be extended through the introduction of … 展开

As the temperature of the surrounding environment changes, the mercury thermally expands and contracts, causing it to move out of, or into, the reservoir and, at the same time, rise or … 展开

The earliest documented use of mercury in a thermometer stretches as far back to perhaps the 1620s when the Jesuit scholar, Athanasius Kircher, used quicksilver for his air … 展开

A maximum minimum thermometer, also known as Six's thermometer, is a thermometer which registers the maximum and minimum … 展开