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Article #1152Re: Celsius and Farenheit Scale Determination
From: Joel Polowin
Date: Tue, 12 Jan 1993 16:23
Date: Tue, 12 Jan 1993 16:23
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In article <1993Jan12.150027.13866@kakwa.ucs.ualberta.ca> DMARTIN@vm.ucs.UAlberta.CA writes: >> From: mcp@netcom.com (Craig Presnell) >> equally dividing the points in between. Apparently Farenheit had the >> same idea, but wanted something colder to be 0 degress, so alcohol >> and ice were used. The question is, what was used to determine the >> upper end of the scale ? > >Body temperature, or so I understand. With a "normal" body temperature of >98.6, calling it 100 isn't that far off. From _A History of Chemistry_ by J.R. Partington, Vol. 2, p. 747: Daniel Gabriel Fahrenheit (Danzig, 14 May 1686 - in Holland, 16 September 1736) was the first to produce consistently reading thermometers, first filled with spirit of wine, later with mercury (1714-15), and introduced a temperature scale. In 1724 he gave the freezing point of water as 32', the boiling-point at 28 in. mercury pressure 212', the body temperature 96', and 0' the temperature of a mixture of ice, water, and sal ammoniac or common salt... Joel Polowin polowin@silicon.chem.queensu.ca, polowin@chem.queensu.ca, polowinj@qucdn.queensu.ca
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Newsgroups: alt.folklore.science Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!torn!news.ccs.queensu.ca!polowin From: polowin@chem.queensu.ca (Joel Polowin) Subject: Re: Celsius and Farenheit Scale Determination Message-ID: <C0r1Jw.FJB@knot.ccs.queensu.ca> Sender: news@knot.ccs.queensu.ca (Netnews control) Organization: Dept. of Chemistry, Queen's University References: <1993Jan12.150027.13866@kakwa.ucs.ualberta.ca> Date: Tue, 12 Jan 1993 16:23:56 GMT Lines: 24