Antique Slide Rule Keuffel & Esser Co. NY Model #4054

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  • Item Category: Tools
  • Source: eBay
  • Sold Date: Sep 29, 2007
  • Channel: Auction House
You are bidding on an antique slide rule made by Keuffel & Esser Co. NY, model #4054. The slide rule is in mint condition, is 12" long and comes with a leather case. The patent number is 1,934,232. Enjoy this item and good luck bidding!