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A Celsius Galilean thermometer in two degree gradations. A risen orange orb denotes 24 °C. A Galileo thermometer (or Galilean thermometer) is a thermometer made of a sealed glass cylinder containing a clear liquid and several glass vessels of varying density. The individual floats rise or fall in proportion to their respective density and the ...
Philo of Byzantium is credited with the construction of the first thermoscope (or Philo thermometer), an early version of the thermometer. [6] It is also thought, but not certain, that Galileo Galilei discovered the specific principle on which the device is based and built the first thermoscope in 1593.
1612 — Santorio Sanctorius makes the first thermometer for medical use. 1617 — Giuseppe Biancani published the first clear diagram of a thermoscope 1624 — The word thermometer (in its French form) first appeared in La Récréation Mathématique by Jean Leurechon, who describes one with a scale of 8 degrees.
Created Date: 8/30/2012 4:52:52 PM
Galileo thermometer: invented by Galileo Galilei in 1593. Toffoli gate: a universal reversible logic gate invented by Tommaso Toffoli. Public toilets: latrines were part of the sanitation system of ancient Rome, placed near or as part of public baths .
1780 – James Six invents the Six's thermometer, a thermometer that records minimum and maximum temperatures. See (Six's thermometer) 1783 – In Lavoisier's article "Reflexions sur le phlogistique", he deprecates the phlogiston theory [45] and proposes a caloric theory of heat. [46] [47] – First hair hygrometer demonstrated.
I believe the original source is Life of Galileo by Vincenzo Viviani, which says (in translation) "about the time Galileo took the chair of mathematics in Padua at the end of 1592, he invented the thermometer, a glass containing air and water". Notice the word "about", the fact that it was the end of 1592, and the fact that the process of ...
m e m o r a n d u m department of health and human services public health service food and drug administration center for drug evaluation and research