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- Standard American upright action
- Upright action showing lost-motion device
- Grand pianoforte action with metallic action and damper frames
- Standard modern American grand action
- Double repetition action of Sebastian Erard as used by S. & P. Erard, Paris
- The Erard grand action modified by Herz
- Action by Andreas and Nanette (Stein), Streicher Viennese escapement (1794)
- English direct lever grand action, developed by Broadwood from Backers (1884)
- Cristofori’s action in its final form
- Iron plate for upright pianoforte with Agraffes (Mehlin patents)
- Arrangement of iron plate, braces and scale of parlor size grand pianoforte
- Iron plate for upright pianoforte fitted with Capo D’astro bar
- Sketch of iron plate for concert grand
- Back view of upright pianoforte
- Jonas Chickering’s full solid cast grand metal plate
- Modern method og grand pianoforte case construction
- Jewish Shophar
- Burgmote Horns
- Lamont Harp
- Queen Mary's Harp
- Cornemuse, Calabrian Bagpipe, Musette
- Piano
- Upright Piano Action
- Action of the Grand Piano
- Action of the Square Piano