{"product_id":"slide-rules-their-history-models-and-makers-9781879335868","title":"Slide Rules: Their History, Models, and Makers","description":"In the hopes of \"preserving these delightful devices for future generations,\" this collector of slide rules covers everything one could possibly want to know about this crude form of analog computer: from its invention in the 17th century to manufacturers- retailers, 1850-1998, and the Oughtred Society for collectors. Includes a glossary with biographies, patent data, component specs, dating and valuing, care, historical milestones, and illustrations\u003cbr\u003e","brand":"Astragal Press","offers":[{"title":"Default Title","offer_id":50856983757074,"sku":"9781879335868","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_8f2ccbe2-8680-46e5-ba58-8f959e6a7837.jpg?v=1737517000","url":"https:\/\/surprise-castle.myshopify.com\/products\/slide-rules-their-history-models-and-makers-9781879335868","provider":"Surprise Castle","version":"1.0","type":"link"}