Harmonica Diagram - Learn the Structure of a Diatonic Blues Harp #130512 (License: Personal Use)

This technical line drawing depicts a classic diatonic harmonica, featuring ten rectangular air holes aligned on the front plate, a central mouthpiece, and raised metal cover plates at both ends. The design highlights the instrument’s symmetrical structure, including the rivet fasteners and the recessed reed chamber layout beneath the holes. It serves as an educational schematic for understanding harmonica construction and airflow mechanics.

Used on music education websites, instrument repair guides, or beginner harmonica tutorials to illustrate parts and function; matches user intent for learning harmonica anatomy or identifying components for maintenance or purchase.