PSN-L Email List Message
Subject: Possible Spring To Use
From: Geoffrey gmvoeth@...........
Date: Sun, 1 May 2011 02:12:00 +0000
I was watching this Nobel Prize winner in Pasadena CA raking his yard of leaves
back in the 1970s and this makes me wonder today in 2011 if a common
yard rake tine would be anyway suitable as use in a seismometer
spring ?
A large yard rake might have a dozen long steel flat springs
if you can somehow dismantle the rake ?
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