Re: pinhole

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From: Algis Sodonis (asodonis@urbanschool.org)
Date: Wed Apr 17 2002 - 10:27:56 PDT 

Message-id: <fc.000f76110028df543b9aca009a4c9ded.28df5c@urbanschool.org>
Date: Wed, 17 Apr 2002 10:27:56 -0700
Subject: Re: pinhole 
From: "Algis Sodonis" <asodonis@urbanschool.org>

Mine is also OHAUS and I think I got it from Frey Scientific.

Algis Sodonis

pinhole@exploratorium.edu writes:
>I have looked through all the major science catalogues
>and am unable to find a circular classroom
>demonstration scale that measures in Newtons. Does
>anyone know a source for this item? Thanks
>
>Art
>
>
>
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