The image shows a book with a drawing of three different types of weather vane on it, along with some text.
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The image shows a book with a drawing of three different types of weather vane on it, along with some text. The vane is composed of three poles connected by a series of wires, each with a different type of weathervane attached to it. The text on the book provides further information about the vane, such as its purpose and how it works.
