Explanatory notes
… metal (brass, nickel-silver, silver, etc.) in the form of a tapered tube terminating in a bell; they may be coiled to … baritone and bass bugles, bombardons (bass-tuba), bass sousaphones, trombones (valve or sliding type), orchestral … to heading 92.07 , and the General Explanatory Note to this Chapter). (4) Mouth organs (harmonicas) . (5) So-called …