Search The Directory The Web for Home > Recreation > Antiques > Medical and Scientific > Slide_Rules New! Submit a site   whatUseek Directory Site Listings:   Space Race Slide Rules - Features some slide rules used in early American and Soviet space programs.   Sphere Research's Slide Rule Universe - Online sales and swap meet. Private individuals only.   The Oughtred Society - Membership group dedicated to the history and collection of slide rules.   The Slide Rule Guy - Site for Jay Francis, a collector of slide rules and antique mechanical calculators. Items for sale or trade, and many related links.   The Slide Rule Shop - Slide rules bought, sold and traded.     [ 1 2 ] Help build the largest human-edited directory on the web.   Submit a Site - Open Directory Project - Become an Editor

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