Bookbinding Anatomy: Understanding Spine and Edge Structure in Traditional Binding #3735686 (License: Personal Use)

This black-and-white line drawing depicts a cross-section of a hardcover book opened flat, revealing its structural components including the spine, headband (labeled b), fore-edge (a′), and textblock edge (a). The side view shows numbered signatures (I-XXVII) on the page edges, indicating traditional gathering and sewing methods. The illustration likely originates from a 19th- or early 20th-century manual on bookbinding or library science.

Used in digital archives, museum exhibits, or educational resources about book conservation, printing history, or library studies; serves users researching historical binding techniques or preparing preservation documentation.