Microscope - 3276 - 1890-1895 - Italy - F koristika

Antique Brass Compound Microscope "F. Koristka - Milano" in Brass - Complete Set with Original Box, Objectives, and Key - c. 1890-1895 Rare and prestigious travel/laboratory compound microscope entirely made of polished brass, produced by the renowned Italian manufacturer F. Koristka (Milan) between 1890 and 1895. Founded by Francesco Koristka in 1881, the company was the foremost excellence in Italian scientific optics, famous for the quality of its lenses and for its historic collaboration with Ernst Abbe (Zeiss). This lot stands out for exceptional completeness and excellent preservation: • Body and Stand: Brass body signed with the original engraving "F. KORISTKA MILANO". The instrument is dismantable and fits perfectly into its dedicated wooden and velvet compartments. Serial/inventory number 3276 impressed on the wood. Adjustable reflector mirror and condenser present. • Optics and Eyepieces: Set of 3 original interchangeable eyepieces with magnifications engraved (2x, 4x and 12x). • Objective Case: Original black leatherette and purple velvet box with gold lettering "F. Koristka Milano", containing 3 brass objectives hand-numbered on the wood and complete with their 3 protective screw caps in black bakelite/ebonite. • Preparation Accessories: Original red velvet case containing era-appropriate dissection tools and tweezers for handling slides. • Case and Lock: Splendid original solid wood cabinet with handcrafted joints. The brass lock bears its magnificent green patina of time and is equipped with the very rare original wrought-iron key, perfectly functioning (turns and closes the mechanism effortlessly). A museum-quality piece of the highest collectible level, ideal for enthusiasts of antique scientific instruments and technical antiquities. Condition: Excellent overall condition for its age. Brass with a light and charming patina of time, smooth mechanics, optics intact. Please carefully review the photo gallery, which is an integral part of the description. Tracked shipping and professional customized packaging.

估價:$251.91

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