I will try to find it again.
It was at an old MARS site in a NASA website.

----- Original Message ----- 
From: "Jerry Payton" 
To: 
Sent: Sunday, July 29, 2007 06:10
Subject: Re: Testing the Folded Pendulum


>< Have you seen the seismometer they are building for a mars mission ? do 
> you think you could duplicate
> < one like that ???  I think it is only horizontal x-y.
> 
> 
> Geoff, If you have the URL for this information, I think may of us would 
> like to read about it.
> Regards,
> Jerry
> 
> 
>
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