The image shows a black and white drawing of a brick wall with a clock on it, along with a drawing of an object and some numbers.
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The image shows a black and white drawing of a brick wall with a clock on it, along with a drawing of an object and some numbers. The object appears to be a chimney cap, with a pointed top and a curved bottom. The numbers on the drawing indicate the measurements of the chimney, such as the height, width, and depth of the cap.