Bell & Howell Cube Projector Main Drive Gear Percussion musical instrument Bell Parts of a typical tower bell hung for swinging: 1. Bong yoke or headstock 2. canons, iii. crown, 4. shoulder, 5. waist, half dozen. audio bow, 7. lip, 8. rima oris, 9. clapper, 10. bead line Percussion instrument Classification struck idiophone Hornbostel–Sachs nomenclature 111.242 (Bells: Percussion vessels with the vibration weakest near the vertex) Playing range