Riefler Precision Section Liner with Black Case

Vintage 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.

• Brand marked on the case: RIEFLER
• According to the seller: C. Riefler, Nesselwang & Munich
• Purpose according to the seller: drawing parallel lines at regular intervals, including hatching in technical drawings
• Exact model number has not been established
• According to the seller, made from German silver (alpaca) and hardened steel; material composition has not been independently confirmed
• Tentatively dated by the seller to circa 1920–1950; the exact year of manufacture has not been established
• Includes 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
• Supplied with the pictured metal arms and components; described by the seller as complete, but completeness has not been independently confirmed
• Stated weight: 620 grams
• Stated dimensions: 36 × 7 × 5 cm

Condition and operation:
The 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.

Shipping with tracking is calculated separately.