Fluoresce Viewer

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A fluoresce viewer with seven different materials: SrCuLi – SrZnFl – BaBiK – BaCuLi – SrBiNa – SrCuK – CaBiNa. Early 20th Century. Each material has his own Wavelength/colour.  Measurements 16 x 16 x 10 cm.

SKU: 00 350420 A S Categories: ,

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