In a message dated 23/09/05, triplederby100-propos@......... writes:

> Hi.
> I am new to seismographs and am planning to build one with Lehman sensor. I 
> have found a PDF document on PSN website that talks about constructing Lehman 
> sensor.

Hi Kaarigar,

       Is this Kelly Knight's article?

       Can you say which Country / State you are in and give your rough age 
and some idea of your facilities and constructional skills please?

       Regards,

       Chris Chapman




In a message=20=
dated 23/09/05, triplederby100-propos@......... writes:



Hi.

I am new to seismographs and am planning to build one with Lehman sensor=
.. I have found a PDF document on PSN website that talks about constructing L=
ehman sensor.




Hi Kaarigar,



       Is this Kelly Knight's article?



       Can you say which Country / State y=
ou are in and give your rough age and some idea of your facilities and const=
ructional skills please?



       Regards,



       Chris Chapman