How to take your temperature in 5 different ways — and which is most accurate to detect a fever

You can take a temperature by using digital thermometers. But the most accurate method may differ for children and adults ...
EDN

Thermometer – An Easy-to-use Device for Precision Temperature Measurement

A thermometer is made of a vacuum – sealed glass tube with the liquid inside being either mercury, alcohol or a hydrocarbon fluid. The liquid in the glass expands and contracts when the air inside is ...
Purdue University

Mercury Information

Mercury can be found in a variety of non-laboratory items such as fluorescent light bulbs, thermometers, older pressure gauges, plumbing traps, manometers, barometer, thermostats, capacitors, and ...