Meredith,

I'm not familiar with the Wood-Anderson suspension, but the Wilmore
uses leaf springs for the mass.  You can get some idea from the picture
I've scanned in at 
http://www.quaketrackers.ac.nz/Testdir/wilmore.html

John

Meredith Lamb wrote:
>
>Is the suspension system on the seismo like a 
>Wood-Anderson, with its mass on a taut wire??
>Kind of a british variety?  Am vaugely guessing?



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