The first thermometer instead of mercury in it?
in daily life, we use the human body thermometer, which can be used to measure our body temperature is above normal temperatures, the existence of the risk of a fever, if more than more, should be timely to the hospital to heal, and made a guarantee the safety of our bodies. Say so many, in fact, the first thermometer is developed by the Italian famous scientist Galileo, however, everyone thought that water rather than mercury thermometer inside, yes, yes, is water. Later by Galileo's students use alcohol instead of water, make a kind of thermometer is not affected by atmospheric pressure. Later people and made another mercury instead of alcohol thermometer, start this thermometer is widely used in clinical diagnosis. About 1867 years or so, a doctor from Britain developed specially for measuring the person or animal body temperature thermometer, has been in use today. Before about any product, should go through the history of it, is conducive to the further development of more promotion.