The image shows a drawing of a light bulb with a diagram of the inside of it, along with text and numbers.
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The image shows a drawing of a light bulb with a diagram of the inside of it, along with text and numbers. The text reads "Galvanometr, a type of light bulb" and the numbers indicate the various components of the bulb, such as the bulb itself. The diagram is composed of several lines and shapes, and the light bulb is depicted in the center of the diagram.