Robert Piering of Adorf slide trombone 1RV

1. Bows

2. Slide bow

3. In the case b

4. Bell flare

5. Handgrip

6. Bell section

7. Valve c

8. Mouthpiece

9. Handgrip c

10. All of it

11. With case b

12. Slide bow guard

13. Bow guard

14. Detail

15. In the case

16. Valve d

17. With case

18. Valve

19. Case

20. Valve b

21. Handgrip b

22. Top bows

23. Engraving