Friedrich Spengler of Rüstringen BBb tuba 4RV
Apr 25, 2010
1. Top bow view
2. Location of Rüstringen
3. Bottom bow view
4. Body back view
5. Lower bows'; view
6. Body view
7. Bow guard
8. Front view
9. Bell engraving -what';s left
10. Valve section view
11. Back view
