CRISTOFORI’S ACTION IN ITS FINAL FORM.
- 1. Key.
- 2. Jack.
- 3. Jack-operating spring.
- 4. Cushion limiting rebound of jack.
- 5. Under-hammer.
- 6. Hammer-butt.
- 7. Hinge of hammer-butt.
- 8. Hammer-shank.
- 9. Hammer head.
- 10. Check.
- 11. Damper-lifter.
- 12. Damper-head.
- 13. Action-beam.
- 14. Wrest-plank.
- 15. Tuning pins.
- 16. Bearing-bridge.
- 17. String.
ACTION BY ANDREAS AND NANETTE (STEIN), STREICHER VIENNESE ESCAPEMENT (1794).
- 1. Key.
- 2. Jack.
- 3. Jack-operating spring.
- 4. Cushion limiting rebound of jack.
- 5. Button and screw regulating escapement of hammer.
- 6. Hammer-butt and operating face.
- 7. Hammer-butt pivot.
- 8. Hammer-shank.
- 9. Hammer-head.
- 10. Check.
- 11. Damper-lifter.
- 12. Damper-head.
- 13. Action-rails.
