Yellowish fluorescence of the small separate glass bowl, indicating the presence of manganese
Media
Part of Glasharmonika
- Title
- Yellowish fluorescence of the small separate glass bowl, indicating the presence of manganese
- Description
-
Glass harmonica, around 1800, Deutsches Museum, Inv. No. 7996.
Equipment: Hönle UVAHAND 250 GS handheld UV-lamp, Intensity 250 mW/cm2 UVA).