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 1. Key.
 2. Wippen.
 3. Jack.
 4. Escapement lever.
 5. Hammer-shank.
 6. Hammer-butt notch.
 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. Capstan-screw connecting key and wippen.
14. Action-rails.
15. Damper-head.
16. Damper-operating device.
17. Device to limit travel of jack.
18. Regulating device for escapement lever.
19. Springs (2) for escapement lever and jack.
20. String.
21. Flange.

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

Dimensions

950*554

Tags

musical instrument

Albums

• Technology / Musical Instruments

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