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English direct lever grand action, developed by Broadwood from Backers (1884)

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English direct lever grand action, developed by Broadwood from Backers (1884).png Action by Andreas and Nanette (Stein), Streicher Viennese escapement (1794)ThumbnailsCristofori’s action in its final formAction by Andreas and Nanette (Stein), Streicher Viennese escapement (1794)ThumbnailsCristofori’s action in its final formAction by Andreas and Nanette (Stein), Streicher Viennese escapement (1794)ThumbnailsCristofori’s action in its final formAction by Andreas and Nanette (Stein), Streicher Viennese escapement (1794)ThumbnailsCristofori’s action in its final formAction by Andreas and Nanette (Stein), Streicher Viennese escapement (1794)ThumbnailsCristofori’s action in its final form

 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.