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1. Key.
 2. Wippen.
 3. Jack.
 4. Escapement lever.
 5. Hammer-shank.
 6. Roller.
 7. Hammer-head.
 8. Jack-regulating button.
 9. Regulating button to limit rise of escapement lever.
10. Hammer-butt.
11. Check.

12. Molded tail of hammer-head to engage with check.
13. Key-rocker and sticker connecting wippen and key.
14. Action-rails.
15. Damper-head.
16. Damper operating device.
17. Device to limit travel of jack.
18. Regulating device for escapement lever.
19. Separate springs for jack and escapement lever.
20. String.
21. Flanges.

Author

Theory and Practice of Piano Construction
With a Detailed, Practical Method for Tuning
By William B White
Published in 1906
Available from gutenberg.org

Posted on

Tuesday 23 February 2021

Keywords

musical instrument

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• Technology / Musical Instruments

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