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Re: [Amps] Help identifying tubes

To: amps@contesting.com, John Becker <johnb3030@comcast.net>
Subject: Re: [Amps] Help identifying tubes
From: Glen Zook <gzook@yahoo.com>
Date: Tue, 30 Nov 2010 14:56:14 -0800 (PST)
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Works even better if you put them in the freezer for a little while before 
breathing on them.

Glen, K9STH

Website:  http://k9sth.com


--- On Mon, 11/29/10, John Becker <johnb3030@comcast.net> wrote:

Try holding the tubes in front of your mouth and exhaling on them. The  
resulting fogging of the glass may make the original markings temporarily 
visible again. That's an old trick I learned years ago and it frequently works.


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