PSN-L Email List Message

Subject: Re: Seismograph
From: Ed Ianni edwianni1@...........
Date: Fri, 26 Nov 2010 21:49:29 +0000


In place of a ball bearing, has anyone ever tried using a polished Acorn 
nut for the pivot on the Lehman boom. It seems it would be easier to 
mount than a BB.    Ed.
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