PSN-L Email List Message

Subject: Re: Equipment: SG vs. Lehman...Hybrid
From: "meredith lamb" mlamb1@.........
Date: Sun, 27 May 2001 09:04:25 -0700

One might take a peek at Allan Coleman's web site, in relation
to the topic of opto-electronics, where he uses a small
Radio Shack incandescent bulb and acouple small photodiodes
in his VBB horizontal seismometer.  This looks alot more
feasible to myself as a non-high-tech amateur.


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Larry Cochrane <cochrane@..............>