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Old 04-06-2021, 10:45 PM   #5
tubman
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Join Date: Dec 2013
Location: Minnesota, Florida Keys
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Default Re: Early Allen vacuum meter

It may not help much, but I had an old compression gauge with a broken glass lens. I measured the diameter and thickness, and was able to find an exact replacement on the internet. The site I found had an incredible selection of lenses available.
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