Hawkes Excelsior Sonorous single F horn

Hawkes & Son Excelsior Sonorous single F horn 3P

1. Front

2. Rear

3. Valves

4. Valves c

5. Odd

6. Bell

7. Crook stay

8. Bell flare

9. Valves b

10. With crook

11. Large bow

12. Valves rear

13. Crook receiver

14. Engraving

15. Tuning slide

16. Crook pitch designation