Mercury-in-glass thermometer ushered in a new era of accuracy and precision in thermometry, and is still to this day regarded as one of the most accurate thermometers available. The thermometer was used by the originators of the Fahrenheit and Celsius scales. Anders Celsius, a Swedish scientist, devised the Celsius scale, which was described in his publication "The origin of the Celsius temperature scale" in 1742. Celsius used two fixed points in his scale: the temperature of melting ice and the temperature of boiling water. This wasn't a new idea, since Isaac Newton was already working on something similar. The distinction of Celsius
Gabriel Daniel Gabriel Daniel Gabriel Daniel (8 February 1649 – 23 June 1728) was a French Jesuit historian. Born in Rouen, he was educated by the Jesuits, entered the order at the age of eighteen, and became superior at Paris. He is best known by his "Histoire de France depuis l'établissement de la monarchie française" (first complete edition, 1713), which was republished in 1720, 1721, 1725, 1742, and (the last edition, with notes by Henri Griffet) 1755–1760. Daniel published an abridgment in 1724 (English trans., 1726), and another abridgment was published by Dorival in 1751. Though full of prejudices which affect his