Re: prairie sherman [TANKS]

[William and Melissa Johns <bill-at-gizmology.net>]

John,
   When casting metals, there is a particular kind of ruler called a 
"shrink rule" which is scaled up by a factor to compensate for the 
shrinkage of metal castings as they cool from liquid temperature to room 
temperature.  I wonder...

Bill

At 11:04 PM 6/8/2005, you wrote:


>--- William and Melissa Johns <bill-at-gizmology.net>
>wrote:
>
> >
>.  Guess I need more practice with this "ruler"
> > thingie.
> >
> >Bill, You didn't try to use that antique rule for
>measuring cubits that I saw at your Dad's place.LOL.
>Can't wait to see that bad boy on the field firing
>both sponson guns at the same time. That will be too
>too cool.
>
>John" Last battle as a Panzer commander" Pittelli
>
>
>
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--

"But in the cosmos there is balm as well as bitterness, and that balm is 
nepenthe." -- H. P. Lovecraft, The Outsider