Galileo thermometer tuples, stained glass bulb thermometer

Many people know that the Italian scientist Galileo in the story of the Leaning Tower of Pisa cast iron ball, but more people don't know Galileo first bucket of gold from his invention, manufacture and sale of Galileo thermometers. He was 17 years old, according to the will of the father, admitted to the university of Pisa medical professional. Galileo in the process of study medicine, awareness of the sick person has a lot to do with temperature change, that is, by understanding the body's temperature is helpful to determine its physical state. But at the time, the doctor can only touch the patient, with feeling to speculate about temperature of the body. This method obviously prone to error, is not accurate. In 1593, Galileo ( 1564 ~ 1642) Invented the stained glass bulb thermometer, now in the market, also known as Galileo thermometer, it is mainly used for interior decoration or for gift collection, etc. The thermometer outside of a glass tube, in a transparent liquid, the transparent liquid and several COINS containing different color of the liquid sealing small glass bubble. Each small at the bottom of the glass bulb hung a drop, a temperature reading. Which is filled with colored liquid of different density of sealing glass ball placed in a glass container. Some models of Galileo thermometer ball around the outer glass tube is equipped with wooden or steel such as decoration. The thermometer in the glass ball has a wonderful features, if the current room temperature exceeds the glass ball bottom tags shown in temperature, then the glass ball will sink, on the other hand will rise. Therefore, the lower the temperature float balls, the more the more balls at the higher temperature sink.