{"product_id":"regle-a-calcul-raphoplex-ancienne-avec-etui-cuir-regle-de-calcul-vintage-retro","title":"Vintage Raphoplex slide rule with leather case, retro vintage slide rule","description":"\u003cp\u003e\u003cb\u003eAFW - Antique France Worldwide\u003c\/b\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eDescription\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThis listing is for a vintage Raphoplex slide rule, complete with its hard, leather-look case, as shown in the photo. The rule has an elongated rectangular structure, typical of calculating instruments used in the mid-20th century. Its visible face is printed with numerous logarithmic scales, fine graduations, numerical markers, and technical annotations, in black, blue, and red on a white background, allowing for complex calculations in mathematics, physics, or engineering.\u003c\/p\u003e\n\n\u003cp\u003eThe rule itself features several transparent cursors and movable elements, characteristic of professional slide rules. Precise inscriptions, tables, and conversion markers are visible, testifying to careful manufacturing and expert use. The \"Raphoplex\" logo appears in gold lettering on the case, adding an elegant touch and confirming the origin of the item.\u003c\/p\u003e\n\n\u003cp\u003eThe matching protective case has a brown finish, with a leather-like texture and a sliding clasp. It is specially molded to fit the shape of the rule, ensuring good protection during transport or storage. The set has a retro style, typical of French scientific instruments from the 1950s to 1970s.\u003c\/p\u003e\n\n\u003cp\u003eThe item is photographed on a wooden table, in an environment evoking a study or an old library. The technical inscriptions and the precision of the visible details indicate professional use, likely intended for engineers, teachers, or science students.\u003c\/p\u003e\n\n\u003cp\u003eThis Raphoplex slide rule, with its original case, embodies the elegance and functionality of vintage measuring instruments. Its visual appeal will attract enthusiasts of retro scientific equipment, vintage office items, or decorative accessories with strong evocative value.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eCondition\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eUsed item, sold as is. Some signs of use, light marks on the case and rule, with no major visible alteration on the photographed side. Inscriptions and graduations remain perfectly legible.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eDid you know?\u003c\/b\u003e Slide rules were widely used before the advent of electronic calculators, especially in the fields of engineering and architecture. The Raphoplex brand was renowned in France for the quality of its instruments, adopted in many schools and laboratories until the 1970s.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eAFW Reassurance\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eYour order will be carefully packaged and shipped promptly by a professional seller specializing in antique and vintage items.\u003c\/p\u003e\n\n\u003cp\u003e\u003ci\u003eKeywords: slide rule, logarithmic rule, Raphoplex, vintage scientific instrument, retro rule, engineer's rule, leather case, antique rule, vintage office supplies, analog calculator, conversion rule\u003c\/i\u003e\u003c\/p\u003e","brand":"AFW","offers":[{"title":"Default Title","offer_id":54265207652679,"sku":"232a4cd3-aa74-4745-9944-b8cb295b0be1-PA2.00","price":19.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/5152\/8775\/files\/s-l1600_870d321f-a9b9-46f1-8448-d743ac10b8d2.jpg?v=1782915218","url":"https:\/\/shop.antiquefranceworldwide.com\/en\/products\/regle-a-calcul-raphoplex-ancienne-avec-etui-cuir-regle-de-calcul-vintage-retro","provider":"AFW","version":"1.0","type":"link"}