Illustrated book

The image shows two pages from an illustrated book. The pages are yellowed, with black text and illustrations. The left page has a 3D illustration of a wooden stand with four sides visible, and Chinese characters written vertically and horizontally. The right page has illustrations of three writing brushes and a rectangular object, with Chinese characters written on and around them. The brushes have tapered ends and are of different lengths. The rectangular object has Chinese characters on it. The background of the pages is white. The pages appear to be from an old book. The artist and title of the book are not visible.