From: Chuck Harris <[EMAIL PROTECTED]> Subject: Re: [time-nuts] Standards for units Date: Mon, 02 Apr 2007 22:09:49 -0400 Message-ID: <[EMAIL PROTECTED]>
Chuck, > > The other inch defined by > > > > 1 inch = 25.4mm exactly > > > > is used for everything else. > > My recollection when I posted the earlier letter was 24.5 mm/inch was > exact by definition, and I recalled that 39.37 inches/meter was also > exact... a quick calculator check to 6 figures showed that it was exact, > then I tried to 9 figures, and saw that pesky little 0.000000051. I was telling you that it was of by about 2 ppm. > > For confirmation read the appendix C of NIST Handbook 44, where these > > and other units of measurement are described. > > Why on earth one has to have different units all called barrels for oil, > > cranberry juice, dried fruits, liquor (this one varies from state to > > state) etc., defies imagination. > > I think the biggest push for metric is the chance to start fresh. But > when metric includes piezes, and poises, and sthenes and steres and stokes... > I guess it ain't all that fresh. Huh? Where did you get that from? Cheers, Magnus _______________________________________________ time-nuts mailing list [email protected] https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
