Editing Thermometer (section)

==== Early attempts at standardization ====
Early attempts at standardization added a single reference point such as the freezing point of water. The use of two references for graduating the thermometer is said to have been introduced by [[Joachim Dalencé|Joachim Dalence]] in 1668,<ref name=Bolton>{{cite book |author=Bolton, H.C. |url=https://archive.org/details/evolutionoftherm00boltrich |title=Evolution of the thermometer 1592-1743 |publisher=The Chemical Publishing Company |year=1900 |place=Easton, PA}}</ref>{{rp|7–8}} although [[Christiaan Huygens]] (1629–1695) in 1665 had already suggested the use of graduations based on the [[Melting point|melting]] and [[boiling point]]s of water as standards<ref>{{Cite journal |last=Wright |first=William F. |date=2016 |title=Early evolution of the thermometer and application to clinical medicine |url=https://linkinghub.elsevier.com/retrieve/pii/S0306456515301315 |journal=Journal of Thermal Biology |language=en |volume=56 |pages=18–30 |doi=10.1016/j.jtherbio.2015.12.003|pmid=26857973 }}</ref> and, in 1694, [[Carlo Rinaldini]] (1615–1698) proposed using them as fixed points along a universal scale divided into [[degree (temperature)|degrees]].<ref>{{cite book|last=Benedict|first=Robert P|title=Fundamentals of Temperature, Pressure, and Flow Measurements|publisher=Wiley|year=1984|pages=4–5|isbn=978-0-471-89383-7}}</ref><ref>{{cite book|first=RJ|last=Howarth|chapter=The Heat of the Earth|page=300|year=2024|title=The Emergence of Geophysics: Journeys into the Twentieth Century|publisher=Geological Society Memoirs|location=London|volume=60|doi=10.1144/M60-2022-32}}</ref><ref name=Bolton/>{{rp|56}} In 1701, [[Isaac Newton]] (1642–1726/27) proposed a scale of 12 degrees between the melting point of ice and [[Normal human body temperature|body temperature]].<ref name=Bolton/>{{rp|57-60}}