2002-08-01

The imperialists will claim the inch goes all the way back to the pyramids
of Egypt.  So I'm not surprised that something like an inch was used in your
country in ancient times.

John


----- Original Message -----
From: "Brij Bhushan Vij" <[EMAIL PROTECTED]>
To: "U.S. Metric Association" <[EMAIL PROTECTED]>
Sent: Wednesday, 2002-07-31 14:38
Subject: [USMA:21458] Re: Inch


> If we really wish to trace back the history of inch, it may be interesting
> to go back to Mohenjo-Daro and see the INDUS Inch lying in the National
> Museum, New Delhi. The traces of this and interpretation follow its links
> with 'Lothal and Stone-hinge Rectangle'. The fortunate part is we are
> talking about SI and its implementation. Being 200 years too late is just
> too bad!
> Brij Bhushan Vij <[EMAIL PROTECTED]>
>
> >From: "Hillger, Don" <[EMAIL PROTECTED]>
> >Reply-To: [EMAIL PROTECTED]
> >To: "U.S. Metric Association" <[EMAIL PROTECTED]>
> >Subject: [USMA:21453] Re: Inch Date: Wed, 31 Jul 2002 09:08:49 -0600
> >
> >See: http://lamar.colostate.edu/~hillger/dykt.htm#inch
> >
> >-----Original Message-----
> >From: Markus Kuhn [mailto:[EMAIL PROTECTED]]
> >Sent: Wednesday, 2002 July 31 09:00
> >To: U.S. Metric Association
> >Subject: [USMA:21452] Re: Inch
> >
> >
> >Jim McCracken wrote on 2002-07-31 13:45 UTC:
> > > The inch was not set at 25.4 millimeters centuries ago, but in the
> > > 1950s.
> >
> >Was setting the inch to 25.6 mm or 25.0 mm seriously discussed as an
> >option at this or at any earlier opportunity? Is the rationale for the
> >choice of 25.4 mm for the inch documented somewhere in more details, as
> >well as the history of previous definitions for the inch?
> >
> >When was the inch defined in the US for the first time with an accuracy
> >of better then 0.1 mm? the practice of length measurement with a
> >relative error below 1% surely must predate the 1950s significantly ...
> >even centuries ...
> >
> >Markus
> >
> >--
> >Markus G. Kuhn, Computer Laboratory, University of Cambridge, UK
> >Email: mkuhn at acm.org,  WWW: <http://www.cl.cam.ac.uk/~mgk25/>
>
>
>
>
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