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Sketch of iron plate for concert grand

Sketch of iron plate for concert grand.png Iron plate for upright pianoforte fitted with Capo D’astro barThumbnailsCristofori’s action in its final formIron plate for upright pianoforte fitted with Capo D’astro barThumbnailsCristofori’s action in its final formIron plate for upright pianoforte fitted with Capo D’astro barThumbnailsCristofori’s action in its final form

Sketch of iron plate for concert grand, showing general arrangement of braces, belly-bridges and system of bolts for fastening to case.

A—B. Hammer line.
1. Body of plate.
2. Bass bridge.
3. Continuous treble bridge.
4. Agraffes.
5. Capo d’astro bar.

Plate is cast in one piece and scale is overstrung.

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
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