Semicircular Brick Arch Diagram - Architectural Construction Guide #13511 (License: Personal Use)

This hand-drawn diagram illustrates a classic Roman-style semicircular arch constructed from wedge-shaped bricks (voussoirs), symmetrically arranged around a central keystone. The rough, textured lines suggest an educational or historical sketch, emphasizing structural integrity and load distribution principles used in ancient and medieval masonry. The clean white background highlights the geometry and craftsmanship of the arch form.

Used in architecture education, historical building restoration guides, and civil engineering resources to explain arch mechanics; targets students, historians, and construction professionals seeking foundational knowledge of masonry systems.