Andres Celsius, a Swedish scholar in 1942 set the temperature units, ie degrees centigrade. He uses ice temperatures that are fused at a pressure of 76 cmHg as a fixed point at a price below 0 degrees Celsius. Determination of the fixed point of use temperature of boiling water at a pressure of 76 cm Hg at a price of 100 degrees centigrade. Liquid
used to fill thermometers is mercury, each increase of one scale showed a rise of 1 degree Celsius
used to fill thermometers is mercury, each increase of one scale showed a rise of 1 degree Celsius
