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Wallpaper preview: Parallactic Instrument of Kapteyn and Glass Plate Holder
Parallactic Instrument of Kapteyn and Glass Plate Holder
Wallpaper
- 1328×930 / 72.3 KB
/ JPG
By University Museum of Groningen
License: CC BY-SA 4.0
By University Museum of Groningen
License: CC BY-SA 4.0
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