Re: 19991108: Problems with udunits.dat: assay_ton

Randy,

>Date: Mon, 8 Nov 1999 17:59:38 -0500 (EST)
>From: Randy Zagar <address@hidden>
>Organization: University of Delaware
>To: address@hidden
>Subject: Re: 19991108: Problems with udunits.dat: assay_ton 
>Keywords: 199911082120.OAA14215

In the above message, you wrote:

> I guess one learns something new every day...
> 
> One ton (2000 avoirdupois pounds) is 29166.67 troy ounces.  Assayers
> take 29.16667 grams of ore, refine it, determine the refined weight
> in milligrams, and that tells them how many troy ounces of refined
> material they'd get from a ton of it.
> 
> An assay ton really *is* 29.16667 grams!

I suspected it might be something like that.  I guess it pays to be
cautious with the phrase "clearly obvious".  :-)

> It's amazing what you can find on the web these days, but I'm still
> going to wait for official confirmation from the author of the NIST
> document.  I'll let you know what he says.
> 
> -RZ
> 
> p.s.  I have udunits and netcdf-3.4 compiled for the Cygwin environment
>       (a unix compatability package for Win95/98/NT).  How do I get it
>       included in the contributions area for these packages?

I'll have to discuss that with the other developers.  I'll let you know.

--------
Steve Emmerson   <http://www.unidata.ucar.edu>