Johann Matthäus Keuffel, Grotrian, Helfferich, Schulz, Th. Steinweg Nachf. GmbH & Co, fortepianos (salon concert grand), mahogany, spruce, maple, wood, Total: Length: 2110 mm; Width: 1520 mm; Height: 995 mm (instrument); Height: 360 mm (sides), Inscription: on the inside of the keyboard cover: Grotrian, Hellferich, Schulz, Th.

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Size: 4320px × 2880px
Location:
Photo credit: © Artokoloro / Alamy / Afripics
License: Licensed
Model Released: No

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