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Glass sounds
Material Analysis
Helmholtz grand piano
Pianola
Organic Material
Trautonium
de
en
Duplex-Skala Patentskizze (Ausschnitt)
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Duplex-Skala Patentskizze (Ausschnitt)
Title
Duplex-Skala Patentskizze (Ausschnitt)
Description
Steinway & Sons: Duplex Skala, Patent 1872
Rights Holder
Public Domain
Public Domain Mark 1.0