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+ Insects / English direct lever grand action, developed by Broadwood from Backers (1884)
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1. Key.
2. Jack.
3. Jack operating spring.
4. Rail and cushion limiting travel of jack.
5. Button and screw regulating escapement of hammer.
6. Hammer-butt with operating notch.
7. Hammer-butt flange.
8. Hammer-shank.
9. Hammer-head.
10. Check.
13. Action-rails.
- 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
- 963*474
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