You may select the license of your choice. The diagram is mislabeled. '9. Slide Lock Ring' On the diagram, number 9 actually points to the screw attachment...
truetrue This image is a derivative work of the following images: Image:Trombone_diagram.jpg licensed with Cc-by-sa-2.5,2.0,1.0, GFDL 2007-01-16T01:43:09Z Dar-Ape...
Zweisprachiges Buch, Deutsch/Englisch English Slide position and valve fingering chart for alto, tenor and bass trombones, from a late 19th century text...
Brown of Harvard (1926 film) ad in 1926 Film Fun (IA filmfun446lesl) (page 2 crop).jpg...