The silvery substance in our thermometers and barometers is named Mercury.
Thermometers may then be given to the class to examine and use.
Thermometers in England are usually filled with quicksilver.
In the instrument-screen we had a thermograph, hygrometer, and thermometers.
Thermometers should not be put into it to ascertain the temperature.
One evening the Sister was going her rounds with the thermometers.
The thermometers referred to at p. 17 were placed on Mont Blanc in 1859.
But thermometers marked a number of degrees worse than zero.
Thermometers placed in pipes sunk in the mass of sand showed 51.8° Fahr.
Other substances than mercury are employed in thermometers with gratifying results.