\"Keuffel & Esser Co. NY\" Slide Ruler with Original Case Vintage USA For Sale
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\"Keuffel & Esser Co. NY\" Slide Ruler with Original Case Vintage USA: $29.99
\"Keuffel & Esser Co. NY\" Slide Ruler with Original Case Vintage USA. Justbeen hanging out in drawer for over 20 years. Any questions please ask before buying.Please look at the pictures closely as they are part of the description. The item pictured is what you will receive always.