Re: [ATM] Understanding Foucault

[Dale Eason <atmpob@yahoo.com>]

Dave has a good description of the test.
Here is a site that has a good description of how to
make a tester.
http://www.stellafane.com/atm/atm_foucault_tester/atm_tester_main.htm


Most ATM's use something similar and many including me
use computer software to analize the data (sixtests or
FigureXP).

Dale Eason

--- Paul Johnson <bigatm@mn.rr.com> wrote:
> 
> Has anyone read the long discussion posted on David
> Harbour's website on building a Foucault tester with
> the light-source and knife edge mounted on the same
> platform so that they move together?
> 
> Does the technique outlined there have merit?
> 
> here's the web address
> 
> http://www.atmsite.org/contrib/Harbour/Foucault.html
> 
> Thanks,
> 
> Paul Johnson
> St. Paul, Minnesota
> 7:52 PM (UTC -6)
> 
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> ATM mailing list http://www.atmlist.net/
> 


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