V. Schmidt of Copenhagen F-tuba 3+2 Berliner Pumpen

1. Right hand pistons

2. Right hand valve section

3. Piston view #1

4. Bottom bow view

5. Left hand pistons

6. Front view

7. Left hand valves view #2

8. Left hand valve section

9. Piston view #2

10. Bell engraving

11. Left hand pistons back view

12. Back view

13. Right hand valves view #2

14. Right hand pistons back view

15. Right hand bottom caps

16. Full view

17. Left hand bottom caps

18. Piston view #3