Re: [Epic] Will it, won't it...

From: J Andrew Evans <J_Andrew_Evans_at_...>
Date: Tue, 06 Oct 1998 22:14:54 +0100

Greg Lane wrote:

> J Andrew Evans wrote:
>
> > The metre used to be defined by the length of a metal pole held at a
> > particular temperature and pressure etc in an Institute in France. They
> > might have changed it but no one told me.
> >
> > A#
>
> Yep, they changed it to a distance prescribed by a certain number of
> wavelenghts of a specified pure light laser source within a vacuum ... held
> at the National Bureau of Standards labs in Boulder Colorado ... ooops they
> changed the lab's name to the Dept of Commerce labs ...IIRC.
>
> Greg

Quite correct. It all comes back to me now. Ah . . . as you get older the
memory starts to go.

A#
Received on Tue Oct 06 1998 - 21:14:54 UTC