
The image is a black and white photograph of a protractor, which is a tool used for measuring angles and angles. The protractor is made of metal and has a curved shape with a pointed tip. The body of the protractor has a series of numbers and markings on it, including the letters "Aristo-Parabel St" and "5010 Germany". The markings are arranged in a way that they form a wave-like pattern. The ruler is resting on a white surface.
