Mercury-in-glass thermometer
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The mercury-in-glass or mercury thermometer is a thermometer that uses the thermal expansion and contraction of liquid mercury to indicate the temperature.
Mercury-in-glass thermometer for measurement of room temperature.
A large mercury-in-glass thermometer.
Closeup of a maximum thermometer. The break in the column of mercury is visible.
A medical mercury-in-glass maximum thermometer showing the temperature of 38.7 °C (101.7 °F).
Daniel Gabriel Fahrenheit
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Daniel Gabriel Fahrenheit FRS was a physicist, inventor, and scientific instrument maker. He was born in Poland to a family of German origin, although he spent much of his life in the Dutch Republic.
Mercury-in-glass thermometer
…the astronomer Ismael Boulliau abandoned using mercury when he determined that it was not as responsive to changes in temperature as spirits. In 1713, Daniel Gabriel Fahrenheit began experimenting with mercury thermometers. By 1717, he was making them commercially. The superiority of his mercury thermometers over alcohol-based…
Fahrenheit small
Fahrenheit's birthplace in Gdańsk
House where Gabriel Fahrenheit died in 1736, at Plein square, The Hague