Optical toy attached to motor (can be linked to a computer).
Rectangular wooden box. On top there is, on the left a wooden stand on top of which is a horizontal wooded disc, covered on the edge with mirrors. On the left hand side there is a copper alloy cylinder. In between the two is a series of wheels and pulleys.
Made by Ernst Plank, Nuremberg, Germany
Editing Undertaken: Auto Levels, Auto Contrast, Brightness/Contrast, Unsharp Mask
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