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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. [citation needed] In the 17th century Galileo mentioned to his friend Cesare Marsili that he invented a thermoscope as far back as 1606. [7]
(Galileo did invent a thermometer called Galileo's air thermometer, more accurately called a thermoscope, in or before 1603.) [1] The instrument now known as a Galileo thermometer was invented by a group of academics and technicians known as the Accademia del Cimento of Florence, [ 2 ] who included Galileo's pupil, Torricelli and Torricelli's ...
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. [2] 1629 — Joseph Solomon Delmedigo describes in a book an accurate sealed-glass thermometer that uses ...
Sagredo added a scale to Galileo's thermoscope to enable the quantitative measurement of temperature, [14] and produced more convenient portable thermometers. [15] Sagredo also discussed with Galileo the possibility of a telescope using a mirror (a reflecting telescope). [16] In June 1619, Galileo and Sagredo exchanged portraits. [17]
I find it confusing that we have conflicting statements. in the article on Galileo Galilei it mentions under 'career as a scientist' that he 'created a grossly inaccurate thermoscope', and links to this page. In this page it mentions that it is simply a namesake, which is a bit confusing.
According to British Standards, correctly calibrated, used and maintained liquid-in-glass thermometers can achieve a measurement uncertainty of ±0.01 °C in the range 0 to 100 °C, and a larger uncertainty outside this range: ±0.05 °C up to 200 or down to −40 °C, ±0.2 °C up to 450 or down to −80 °C.
Santorio was the first to use a wind gauge, a water current meter, the pulsilogium (a device used to measure the pulse rate), and a thermoscope. [14] His pulsilogium and thermoscope predate similar inventions by Galileo Galilei, Paolo Sarpi and Giovanni Francesco Sagredo who were his learned circle of friends in Venice. [15]
A medical thermometer or clinical thermometer is a device used for measuring the body temperature of a human or other animal. The tip of the thermometer is inserted into the mouth under the tongue (oral or sub-lingual temperature), under the armpit (axillary temperature), into the rectum via the anus (rectal temperature), into the ear (tympanic temperature), or on the forehead (temporal ...