{"product_id":"riefler-precisie-arceerinstrument-met-zwarte-cassette","title":"Riefler Precision Section Liner with Black Case\n","description":"\u003cp\u003eVintage mechanical drawing instrument, identified by the seller as a C. Riefler precision section liner (Schraffiergerät). The black case bears the oval RIEFLER logo. The instrument features a long metal arm, hinged connections and adjustment mechanisms: a distinctive piece for a collection of historical drawing instruments.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eBrand marked on the case: RIEFLER\u003c\/li\u003e\n\u003cli\u003eAccording to the seller: C. Riefler, Nesselwang \u0026amp; Munich\u003c\/li\u003e\n\u003cli\u003ePurpose according to the seller: drawing parallel lines at regular intervals, including hatching in technical drawings\u003c\/li\u003e\n\u003cli\u003eExact model number has not been established\u003c\/li\u003e\n\u003cli\u003eAccording to the seller, made from German silver (alpaca) and hardened steel; material composition has not been independently confirmed\u003c\/li\u003e\n\u003cli\u003eTentatively dated by the seller to circa 1920–1950; the exact year of manufacture has not been established\u003c\/li\u003e\n\u003cli\u003eIncludes a black lined case with the RIEFLER logo; described by the seller as original, but its originality and the exact lining material have not been independently confirmed\u003c\/li\u003e\n\u003cli\u003eSupplied with the pictured metal arms and components; described by the seller as complete, but completeness has not been independently confirmed\u003c\/li\u003e\n\u003cli\u003eStated weight: 620 grams\u003c\/li\u003e\n\u003cli\u003eStated dimensions: 36 × 7 × 5 cm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCondition and operation:\u003c\/strong\u003e\u003cbr\u003e\nThe photographs show surface marks, scratches and localised discolouration on the metal, together with wear and signs of use on the case. According to the seller, tested and working smoothly. Operation of the stepping mechanism and the uniformity of the drawn lines have not been independently checked. No current calibration or accuracy check has been confirmed. The photographs form an integral part of the condition description. Supplied as pictured.\u003c\/p\u003e\n\n\u003cp\u003eShipping with tracking is calculated separately.\u003c\/p\u003e\n","brand":"continentalvintage.com","offers":[{"title":"Default Title","offer_id":59019377017096,"sku":null,"price":350.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1056\/0336\/7176\/files\/9496_45ed462b-d7e8-4a72-8bed-6ea6adf13475.jpg?v=1791344254","url":"https:\/\/continentalvintage.com\/products\/riefler-precisie-arceerinstrument-met-zwarte-cassette","provider":"continentalvintage.com","version":"1.0","type":"link"}