Descrizione

Vintage Dr. B. Lange Berlin Lichtelektrisches Kolorimeter Modell J – Made in Germany – 220V For sale is a rare vintage photoelectric colorimeter, model “Lichtelektrisches Kolorimeter Modell J nach Dr. B. Lange”, made in Germany by Dr. B. Lange Berlin. This is a historical laboratory instrument used for colorimetric / photometric analysis, designed to measure the concentration of coloured solutions by evaluating light absorption / extinction through a sample. The front plate reads: “Lichtelektrisches Kolorimeter Modell J nach Dr. B. Lange Dr. B. Lange Berlin Nr. 1046 V 220~” The instrument has a large analog measuring scale marked with absorption / extinction values, side control knobs, internal optical compartment, lamp system and metal laboratory body. It is a very attractive piece for collectors of scientific instruments, vintage laboratory equipment, industrial design, chemistry history, medical / pharmaceutical displays or museum-style decoration. Condition: The item is vintage and used, with visible signs of age, dust, small marks and normal wear consistent with age and laboratory use. The internal lamp turns on when powered, as shown in the photos. However, the instrument has not been calibrated and has not been tested with standard solutions, reagents, filters or cuvettes. For this reason it is sold as a collectible vintage scientific instrument, not as a certified laboratory measuring device. Included: Only the colorimeter shown in the photos. No original case, manual, extra filters, reagents or accessories are included unless visible in the pictures. Important notes: - Vintage German laboratory instrument - Dr. B. Lange Berlin - Model J - 220V version - Serial number visible: Nr. 1046 - Lamp turns on - Not calibrated - Sold as collectible / display / restoration item Shipping: The item is heavy and will be packed carefully with protective material. International shipping available. Due to age and fragility, it will be packed with particular attentio

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da 2,39 €

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