VINTAGE FREDERICK POST ENGINEERS SLIDE RULE 1447 P HEMMI W/ CASE 3 $7.85 USD Sold on: 2013-Jun-02 Marketplace: eBay 2 Treasure 0 Trash 100% Detail: GOATFREAK64 Store VINTAGE FREDERICK POST ENGINEERS SLIDE RULE 1447 P HEMMI W/ CASE 3 THIS IS A VERY NICE VINTAGE FREDERICK POST COMPANY ENGINEERS SLIDE RULE. MARKED NO 1447 P, FREDERICK POST COMPANY C... More Relevance Historical Items
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