C. Mahillon valve trombone 3 WP

Charles – Borromée Mahillon (1813 -1887) valve trombone 3 Wiener Pumpen

1. Valve bottoms

2. Full

3. Bows

4. Wrong turn

5. Engraving

6. Valves right

7. Assembled wrongly

8. All of it

9. Odd bell view

10. Valves left