Spoked Wheel Diagram - Anatomy and Historical Design #3249779 (License: Personal Use)

This black-and-white technical illustration depicts a traditional wooden spoked wheel, commonly used in 19th-century carriages and early vehicles. The rim (a) forms the outer circular edge, the radial spokes (b) connect the rim to the central hub (c), distributing load and maintaining structural integrity. The hub contains the axle bearing, often shown with a central pin or nut detail.

Used in educational materials on mechanical engineering, transportation history, or vintage vehicle restoration guides; targets students, historians, and hobbyists seeking foundational knowledge of wheel mechanics.