Jindrich Zazvonil of Kladno Eb helicon 4RV

May 1, 2010
1. Bell ferrule and seating of shoulder support
2. Valve section view
3. Valve section back view
4. Valve section view #2
5. Maker';s shield
6. Leadpipe - not original
7. Full view
8. Kranz repair
9. Large bow view
10. Bell stay, Kranz, and seam