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From: rwt@dcs.ed.ac.uk (Rainer Thonnes)
Subject: Re: degrees Celsius
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Date: Fri, 24 Jan 1997 16:30:03 GMT
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Xref: glinda.oz.cs.cmu.edu comp.std.internat:6903 sci.lang:69019

In article <32e509a9.4862692@news.mindspring.com>,
dgary@mindspring.com (D Gary Grady) writes:
> 
> A better response might have been to point out that by definition a
> U.S. nautical mile (and I think now an international one as well, but
> I'm not positive about that) is equivalent to one minute of longitude
> at the equator. That is, the circumferance of the Earth is 60 x 360 =
> 21 600  nautical miles.

Isn't that what a nautical mile always has been?  But no, not any more,
no Siree.  Now these damned international committees have gone and
redefined the nautical mile to be exactly 1852m.

That would make the polar circumference of the Earth 40 000 km plus about
two statute miles.
