Elements of Brass Instrument Construction: Double-Piston Valves
Of Tubes, Slides, and Valves--How Brass Instruments Work · Grinnell College Musical Instrument Collection · Grinnell College Libraries
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valve trombone · Grinnell College Musical Instrument Collection · Grinnell College Libraries
Of Tubes, Slides, and Valves--How Brass Instruments Work · Grinnell College Musical Instrument Collection · Grinnell College Libraries
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