VINTAGE 1940S KEUFF & ESSEN SLIDE RULE 4181-1 & KE CASE

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  • Item Category: Tools
  • Source: eBay
  • Sold Date: Jul 23, 2016
  • Channel: Auction House
Vintage 1940s KEUFFEL & ESSER # 4181-1 slide rule and leather case. Dated 1947. In very good condition. Case is 7.5" long.