One has to click on the "english" word to initiate seeing the
rest.  Also from the same web URL from Larry, there is a link
of a interesting seismometer "applet" one can enter in various
values/changes to see the response:
http://www.ifg.tu-clausthal.de/java/seis/seisdemo-d.html

Larry Cochrane wrote:

> Hi Everyone,
>
> This list sure has been quite....Recently I got an email from someone in
> Germany. They have a Lehman type seismometer in their school. Their sensor
> has a unique way of mounting the boom to the frame. The link to their main
> page is http://www.mgm.monschau.de/seismic/main_en.html and a description of
> their sensor and how a garden gate horizontal sensor works starts here
> http://www.mgm.monschau.de/seismic/main_en.html.
>
> Regards,
> Larry Cochrane
> Redwood City, PSN
>


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