Brass Instrument Anatomy Diagram - Valve Mechanism & Acoustic Design #3679777 (License: Personal Use)

This technical illustration reveals the internal layout of a valved brass instrument, with labeled parts including the mouthpiece (4), leadpipe (3), piston valve assembly (5-11), and conical bell (1). The diagram shows how pressing valves (7, 8, 9) engages slides (10, 11) to lengthen the air column, altering fundamental pitch. Shading indicates airflow direction and acoustic wave propagation through the bore.

Used in music education, instrument repair guides, acoustics research, and patent documentation; serves users seeking to understand brass instrument mechanics, design history, or troubleshooting valve issues.