7. Jack Spring.

8. Flange and Regulating Rail.

9. Regulating Screw, Button and Cushion.

10. Escapement Lever.

11. Regulating Screw in Hammer Flange, for Escapement Lever.

12. Check Wire, for Escapement Lever.

13. Screw to regulate fall of Escapement Lever.

14. Lever Flange, screwed to Flange Rail.

15. Hammer Shank.

16. Hammer.

17. Back Check.

18. Damper Lever, leaded.

19. Damper Wire, screwed into upright.

20. Damper Wire Guide, fastened to Sound-Board.

21. Damper Head and Felt.