PSN-L Email List Message
Subject: Re: Vertical Seismometer with Honey Support
From: Angel sismos@..............
Date: Thu, 20 Nov 2008 10:15:29 +0000
Hello Gary,
Take a look at the spring on a Roger Sparks vertical from a while back
It is at the very bottom of the page.
http://mariottim.interfree.it/doc02v_e.htm
it also seem that Roger has a new configuration
http://www.fairpoint.net/~sparksite/CSpring%20Seismometer.html
Regards,
Angel
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