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Unimatic used to pop up on here (well, AK) years ago. I think he has/had a roundie.
Buried on my workbench is a neat piece of test equipment for working on vacuums. One of its features is a vacuum meter-you hold the hose up to a fitting in the front and can get a readout of how strong the suction is. On the back is a list of various popular makes and what they should read. I seem to recall Electrolux having the highest normal reading. Guess I'll have to dig it out and snap a photo to share.
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Bryan
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