1961 Dyna-Slide Co Pipe Flow Slide Rule
Although we try to give an accurate description, remember, this is a vintage item and there may be small imperfections from age or flaws from production that we have not noticed or noted in the comments. We try to list all the deficiencies, marks etc. Please review ALL pictures closely. All our items are as is, all photos are of the actual item that will be shipped.
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