PSN-L Email List Message

Subject: Re: Folded Pendulum seismometer
From: John or Jan Lahr johnjan@........
Date: Sun, 16 Mar 2003 21:19:05 -0700


Hi Chris and others interested in David Youden's folded pendulum
design.  I've just added

his documentation here:

http://jjlahr.com/science/psn/youden/electronics/fpelectronics.html


Cheers,

John


At 01:35 PM 3/16/2003, Chris wrote:


Have you
received a circuit diagram from Dave Youden yet? I will be very
interested to see it.
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