Besançon single F horn 3P - funny airpath

May 15, 2011
1. a
2. j
3. d
4. f
5. h
6. e
7. k
8. i
9. b
10. 1st piston to the right
11. c
12. g
13. Transcription of engravings on the bell and on the 2nd piston casing