From: "Dwight K. Elvey" 
To: atm{at}shore.net
Reply-To: "Dwight K. Elvey" 


>From: kwhitefire{at}juno.com
>
>>I have obtained several pieces of highly polished marble.
>>..................... The others will become the basis of a new Focault
>tester.
>
>For what reason you want highly polished marble surface for the Foucault
>tester?
>
>Regards
>Vladimir
>
>Polished marble is heavy and flat.  It will make a superb slide for the
carriage because it's so heavy and smooth.  With the right dry lubricant between
the pieces, and a reasonable lack of dust particles, it will be the
smoothest version of a tester I can make.  Compared to my wood-and-metal
contraption now, it will be far superior.
>
>Kevin

Hi Kevin
 Actually a piece of window glass works better and
is easier to get to the right size. I've used small teflon pins ( used to
be electronic standoffs ). Even dellron ( sp? ) works well on glass.
Dwight

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