File:Steinway & Sons upright piano, model K-132, manufactured at Steinway's factory in Hamburg, Germany.png - Wikimedia Commons
Fil:Two pianos - grand piano and upright piano.jpg – Wikipedia
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Used piano sale in Toronto area: Schiedmayer professional upright piano
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Piano - Wikipedia
Is it possible to create a grand piano by taking an upright piano's harp and frame and turn it horizontally with the keys hitting a rotating lever that strikes the action underneath? -