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07-16-2012 07:18 PM #1
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According to the patent abstract it is not a vacuum pump, but a vacuum operated pump, providing pressure for various uses on and around motor vehicles - here's the abstract link, simply typing in US Patent 3339830 - Patent US3339830 - VACUUM OPERATED PUMP - Google PatentsRoger
Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.
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07-17-2012 07:15 AM #2
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do you know what it is used for or what vehicles
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07-17-2012 07:31 AM #3
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Nope - just scanned the abstract and drawings. Looks to me like something your dad bought with a purpose in mind, but never got around to using. I've never seen a pump like that one in service anywhere, but Graham is a pretty big name in vacuum systems. Maybe someone else has??
Originally Posted by Nevosjona1
Roger
Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.
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