Lot of 4 Slide Rules, K&E Polyphase, Albert Nestler A-G, Lawrence Eng., & others $14.99 USD Sold on: 2013-Apr-22 Marketplace: eBay 1 Treasure 0 Trash 100% Detail: hhdodd Store Lot of 4 Slide Rules, K&E Polyphase, Albert Nestler A-G, Lawrence Eng., & Frost More Relevance Historical Items
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