E-bass trombone with F- and D/Db-attachment, rotary valves
S.E. Shires Master Bb/F Dual Bore Rotary Valve Trombone - Trombones for students to professional players - Trombones - Sax & Woodwind ...and Brass | Nurturing musicians for the future
Tenor valve trombone hi-res stock photography and images - Alamy
David Yacus
S.E. Shires Colin Williams Tenor Trombone with Rotary Valve F Attachme – Houghton Horns